Three-stop strategy works for Kobayashi, not Button

2011 Turkish GP analysis

Jenson Button, McLaren, Istanbul, 2011

Jenson Button, McLaren, Istanbul, 2011

Jenson Button did not use the four-stop strategy favoured by most in Istanbul.

He lost places late in the race running a three-stop strategy.

But Kamui Kobayashi used the same strategy to gain 14 places during the race.

Lap 1

Lap 1 position change

Lap 1 position change

The short run to the first corner meant there weren’t many significant position changes. But Nico Rosberg stealing second from Mark Webber at the start was fairly predictable.

Pit stops

Pit stops

Pit stops

A total of 81 pit stops made this one of the busiest races ever in the pit lane. Most drivers used four-stop strategies.

Vettel’s fourth stop was purely precautionary, to keep him from being vulnerable in the event of a safety car period – which is why his previous stint was only seven laps long.

Among the few three-stoppers were Jenson Button, Sebastien Buemi and Kamui Kobayashi. The latter used his to rise from 24th to tenth through the race.

But Button and fellow three-stopper Sebastien Buemi both lost two places towards the end of the race as they struggled for pace.

There was a lot of variation in the tyre combinations used, with Mercedes and Renault making early switches to hard tyres.

Tyre compounds

Stint 1 Stint 2 Stint 3 Stint 4 Stint 5
Sebastian Vettel Soft Soft Soft Hard Hard
Mark Webber Soft Soft Soft Hard Hard
Nico Rosberg Soft Hard Hard Soft Soft
Lewis Hamilton Soft Soft Soft Hard Hard
Fernando Alonso Soft Soft Soft Hard Hard
Jenson Button Soft Soft Soft Hard
Vitaly Petrov Soft Hard Hard Hard Soft
Michael Schumacher Soft Soft Soft Hard Soft
Nick Heidfeld Soft Hard Hard Hard Soft
Felipe Massa Soft Soft Soft Hard Hard
Rubens Barrichello Soft Soft Soft Hard
Adrian Sutil Soft Soft Hard Soft
Paul di Resta Soft Soft Hard Soft Hard
Pastor Maldonado Soft Soft Soft Hard
Sergio Perez Soft Hard Soft Soft Hard
Sebastien Buemi Soft Soft Soft Hard
Jaime Alguersuari Hard Soft Soft Soft Hard
Heikki Kovalainen Soft Soft Hard Hard
Jarno Trulli Soft Soft Soft Hard
Vitantonio Liuzzi Soft Soft Hard Soft Hard
Timo Glock
Narain Karthikeyan Soft Soft Hard Soft
Kamui Kobayashi Hard Soft Soft Soft
Jerome d’Ambrosio Soft Soft Hard

Race progress

One of the striking features of the race was the large gap that opened up between the leading trio and the rest.

Among the reasons for this, aside from Alonso nearly matching Red Bull’s pace, was the time Lewis Hamilton lost in his pit stop, Felipe Massa’s slow pit stop and driving error, and Button getting stuck in traffic after his second pit stop.

This chart shows how far each driver was behind the leader (in seconds) on each lap.

http://www.f1fanatic.co.uk/charts/2011drivercolours.csv

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58
Sebastian Vettel 0 0 0 0 0 0 0 0 0 0 0 0.914 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Mark Webber 1.93 2.371 3.075 3.526 4.46 4.723 5.411 5.651 5.762 6.169 21.068 4.698 2.741 2.999 2.887 3.11 3.062 3.225 3.68 4.754 6.633 22.446 23.509 23.742 23.162 8.151 8.539 8.748 9.634 9.88 10.495 10.926 11.304 12.423 14.117 28.754 27.554 26.922 26.887 26.5 10.155 10.212 10.521 10.731 10.808 26.422 25.563 7.998 7.077 7.216 7.489 8.237 8.009 7.798 7.929 7.863 8.074 8.807
Nico Rosberg 1.29 1.816 2.46 2.981 4.647 6.622 8.1 9.911 10.75 11.529 28.795 13.115 12.176 13.486 14.537 15.985 17.062 18.715 20.627 24.426 28.17 31.995 49.546 50.711 50.533 36.523 38.984 40.176 41.084 42.452 44.025 45.393 46.743 63.058 63.143 62.564 61.978 61.629 61.37 61.952 46.052 46.751 47.484 48.188 63.08 62.814 62.583 46.204 46.342 47.092 47.573 47.903 48.125 48.783 48.798 48.087 47.551 47.539
Lewis Hamilton 3.583 4.702 6.051 7.082 7.874 8.858 10.212 11.978 14.128 29.716 29.364 13.518 12.923 13.04 13.704 14.648 15.394 16.583 18.39 21.512 37.632 38.642 40.096 40.189 39.614 25.066 26.128 26.847 27.324 27.768 27.749 27.729 27.943 28.925 60.516 59.646 59.187 58.708 58.493 58.702 42.454 42.574 42.29 42.16 41.749 41.616 58.143 40.983 40.435 40.915 41.526 41.87 41.948 42.113 42.098 41.152 40.559 40.232
Fernando Alonso 2.311 3.291 4.19 4.524 5.075 6.781 7.514 7.682 7.651 7.494 22.502 6.717 5.07 5.432 5.441 5.83 5.737 5.775 6.251 7.017 7.597 8.555 9.724 25.78 24.546 9.168 9.197 9.242 9.012 9.005 8.855 8.84 8.939 9.502 10.37 10.639 25.79 25.035 24.488 23.281 7.112 7.101 7.216 7.616 7.538 7.518 23.243 6.254 5.966 6.325 7.589 9.021 9.102 9.288 9.715 9.635 9.797 10.075
Jenson Button 3.082 4.219 5.584 6.717 7.398 8.78 10.374 11.393 12.475 13.045 13.657 0 1.151 19.107 20.139 21.498 22.395 23.239 24.156 25.664 27.925 29.255 31.452 32.414 33.034 19.061 37.968 39.043 39.367 41.177 42.394 43.617 45.764 47.104 47.769 47.836 48.599 49.755 50.889 67.511 52.355 53.726 54.374 54.862 55.344 55.519 55.882 40.171 41.264 43.146 44.455 46.104 47.283 49.514 52.21 54.132 56.329 59.431
Vitaly Petrov 5.061 8.285 9.965 10.819 11.934 12.935 14.879 16.303 32.46 33.91 37.059 23.357 22.171 22.995 23.717 24.504 25.463 26.823 28.043 45.573 45.749 46.43 48.149 48.56 48.867 34.245 35.835 37.495 38.742 40.047 41.415 42.901 44.424 46.621 65.121 65.526 65.921 66.987 67.609 69.119 54.135 55.579 57.028 58.433 59.57 75.892 76.124 59.474 59.594 61.954 63.619 64.576 65.134 65.811 66.482 68.504 68.11 68.168
Michael Schumacher 4.49 8.009 33.356 33.651 34.394 35.41 36.661 37.716 38.098 38.445 39.158 26.975 28.987 32.314 48.619 49.586 49.993 50.527 50.933 51.923 53.035 53.7 54.493 54.775 54.606 40.553 42.21 43.707 45.1 47.233 62.855 62.92 63.535 66.056 67.833 67.857 68.629 69.898 71.892 75.853 61.149 62.435 64.813 66.905 68.694 84.927 85.276 69.453 70.104 71.618 73.036 76.611 78.549 82.094 83.403 83.546 84.029 85.444
Nick Heidfeld 5.465 8.546 11.041 12.441 14.03 15.205 15.95 16.679 17.361 17.958 37.365 24.266 23.738 24.515 25.109 26.005 26.718 28.009 28.917 30.188 31.085 32.941 50.068 51.436 51.121 36.933 39.31 40.812 41.751 43.416 44.761 46.353 47.796 49.852 51.484 52.017 67.903 68.367 70.013 71.105 55.907 57.043 58.22 59.136 60.185 61.166 78.146 61.314 60.988 62.195 62.649 62.374 62.193 62.824 63.183 62.671 61.819 60.857
Felipe Massa 5.618 6.977 7.607 8.379 9.156 9.863 11.16 12.401 13.203 30.464 29.648 14.254 13.41 14.012 15.016 16.352 17.386 19.022 20.94 24.7 27.064 28.931 32.877 49.105 49.168 34.914 36.096 37.885 39.208 40.637 41.917 43.338 45.397 47.78 70.004 69.445 69.287 70.103 71.405 72.263 57.155 58.382 59.637 61.118 62.25 63.662 86.183 70.048 70.614 71.885 73.416 76.968 78.786 79.685 80.475 80.269 79.934 79.823
Rubens Barrichello 6.342 8.621 10.622 12.016 13.645 15.691 17.573 19.192 20.794 22.604 40.227 27.396 28.04 29.504 30.697 33.026 34.454 36.311 37.047 38.433 39.764 41.639 44.057 45.713 64.012 50.333 52.341 53.816 54.734 55.735 56.336 57.194 58.617 59.815 62.168 63.437 65.38 67.857 71.291 75.504 78.492 80.804 82.653 84.489 85.466 86.359 87.819 72.9 74.575 77.343 80.517 84.622 87.931 91.846 95.934 100.589 105.517
Adrian Sutil 6.836 9.319 11.994 13.771 15.446 16.867 18.846 20.711 22.549 24.536 41.86 27.754 29.481 31.899 32.761 34.029 35.074 36.599 37.804 39.058 40.505 42.285 44.772 47.373 49.747 52.339 53.951 55.175 56.477 57.788 58.952 59.786 63.344 66.134 68.738 70.293 72.127 74.087 76.305 79.322 80.522 82.134 83.137 84.792 86.034 87.152 88.582 73.647 75.079 77.523 79.58 81.53 83.617 85.872 88.847 91.652 94.993
Paul di Resta 7.208 9.791 12.289 14.201 15.896 18.186 20.579 22.489 24.137 26.068 28.048 28.689 29.791 32.151 33.738 35.18 36.411 37.786 39.251 41.112 42.721 45.47 48.807 52.589 69.266 55.801 58.389 60.233 61.881 63.372 65.482 67.173 83.714 84.612 85.74 85.804 86.303 87.189 88.29 89.168 74.441 76.377 78.891 81.781
Pastor Maldonado 7.944 10.63 13.818 16.077 18.217 21.163 23.952 26.329 28.564 32.343 36.95 41.966 42.74 43.906 44.963 46.313 47.378 48.653 49.659 51.61 54.163 58.028 61.654 65.526 70.395 73.976 75.952 77.812 80.115 81.657 83.603 84.734 86.068 87.357 89.372 91.058 93.314 95.869 98.819 102.448 90.633 109.09 110.437 111.445 112.264 122.008 124.182 109.361 110.896 113.08 115.09 117.691 119.518 121.499 123.361 124.511 126.216
Sergio Perez 25.193 51.093 51.979 52.955 53.767 54.198 55.038 55.819 56.222 56.534 57.302 44.105 44.169 47.31 49.994 54.482 72.034 71.411 70.568 70.266 69.929 70.318 70.598 71.456 71.395 57.731 60.731 62.406 63.856 66.15 68.514 71.878 89.046 88.767 89.402 89.941 89.322 89.213 89.359 89.977 75.09 76.961 94.248 94.054 93.665 93.276 93.309 77.226 77.935 79.346 80.653 82.056 83.985 86.357 89.486 91.261 95.024
Sebastien Buemi 8.964 11.145 13.313 14.863 16.847 18.037 20.14 21.886 23.551 39.926 39.522 26.337 26.419 27.597 28.235 29.304 30.095 30.694 31.356 32.749 34.112 37.579 41.755 59.647 58.755 43.92 44.874 45.821 46.157 46.593 47.132 47.652 48.462 50.102 52.052 52.842 53.807 55.512 58.11 62.287 64.797 65.226 65.719 66.043 66.901 68.084 69.569 54.685 56.219 57.754 59.189 60.533 61.906 64.166 65.875 66.613 67.597 69.394
Jaime Alguersuari 10.821 13.642 16.221 18.491 20.739 22.542 24.543 27.867 30.064 32.88 35.808 24.171 28.446 49.319 50.084 51.079 51.51 51.783 52.183 52.799 54.219 55.466 56.617 57.152 57.553 45.168 47.446 49.893 52.347 70 70.436 70.253 69.883 70.118 71.428 72.003 73.268 75.304 77.08 94.507 77.936 78.322 79.649 80.973 81.207 81.341 81.943 66.486 67.97 70.464 72.728 75.465 79.023 84.633 90.996 107.23 105.671
Heikki Kovalainen 8.262 11.55 14.302 17.3 20.884 23.32 25.492 28.052 30.328 33.133 37.487 26.198 30.299 35.226 39.993 60.631 63.045 65.199 67.402 69.828 73.017 75.317 77.937 80.364 82.086 69.982 73.713 77.026 80.962 84.533 89.092 107.653 109.321 111.293 113.516 114.737 115.927 119.787 122.01 124.459 111.375 114.777 117.501 120.119 122.799 125.702 129.673 117.236 122.114 129.71 138.446 147.421 156.926 182.704 184.809 186.887
Jarno Trulli 9.404 12.367 15.642 18.821 21.513 24.101 26.358 28.898 31.14 34.423 37.983 28.246 31.805 51.544 53.35 55.327 57.112 58.908 60.829 62.992 64.894 67.112 69.807 73.317 76.245 81.3 83.928 86.273 88.203 90.27 94.108 96.252 98.586 100.983 105.058 106.957 109.338 112.085 115.926 135.852 122.618 125.231 127.349 129.332 131.291 133.892 136.571 122.658 124.833 128.086 131.976 136.693 142.08 146.179 149.761 152.67 157.93
Vitantonio Liuzzi 10.707 15.672 20.251 24.292 28.27 32.612 36.983 41.441 45.391 51.409 55.065 44.879 48.433 54.389 60.41 142.549 200.521 205.32 209.507 215.923 221.03 226.456 231.372 236.414 242.855 234.08 240.037 246.707 253.176 259.298 265.741 272.59 279.297 284.863 291.074 315.268 371.263 415.731 420.498 425.566 412.777 417.215 421.458 427.788 431.886 436.043 443.179 432.159 436.802 443.022 449.184 457.615 463.041
Timo Glock
Narain Karthikeyan 11.421 16.391 21.855 27.144 31.261 36.758 41.108 44.738 48.427 52.612 56.874 46.728 50.386 56.673 83.146 87.687 91.624 101.203 105.468 109.605 113.521 118.624 123.583 128.595 131.968 123.213 128.83 155.61 160.549 165.611 169.423 172.608 180.083 185.143 189.847 193.583 197.748 202.037 210.44 215.916 206.771 211.878 216.938 221.747 228.589 252.405 256.782 247.007 251.969 259.252 262.81 267.819 274.882 279.008 283.636
Kamui Kobayashi 10.281 13.006 15.119 17.064 18.673 20.672 22.305 23.553 24.738 25.771 26.518 12.62 12.604 31.471 31.669 32.33 32.386 32.421 32.422 33.083 34.506 36.659 50.548 69.051 69.854 55.344 56.082 56.91 57.371 58.336 59.517 60.384 63.162 66.892 70.637 71.639 73 75.248 92.435 92.079 76.169 77.127 78.1 78.188 77.905 78.094 79.314 63.347 64.141 65.767 66.967 68.384 69.489 71.383 73.275 74.328 76.369 78.021
Jerome dAmbrosio 11.682 16.864 21.476 25.167 28.769 32.821 37.381 41.67 45.054 48.403 51.655 40.349 43.793 50.02 55.381 61.963 83.44 86.4 89.402 93.493 96.821 100.47 104.079 107.426 111.09 101.887 106.95 111.737 116.44 121.658 126.9 132.046 137.451 163.904 167.888 171.066 174.283 177.971 182.197 189.066 176.793 180.901 186.434 190.974 195.107 199.438 205.922 194.012 199.06 204.508 210.759 215.65 220.043 224.505 228.886 233.215

Lap chart

Sebastian Vettel led every lap apart from lap 12, when Button briefly held first place.

Kobayashi’s progress from last is an interesting line to follow on the chart below, and you can also see the delays Michael Schumacher and Massa’s races.

This chart shows the drivers’ positions on each lap.

http://www.f1fanatic.co.uk/charts/2011drivercolours.csv

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58
Sebastian Vettel 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
Mark Webber 2 3 3 3 3 2 2 2 2 2 2 3 3 3 2 2 2 2 2 2 2 2 3 3 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 2 2 2 2 2 2 2 2
Nico Rosberg 3 2 2 2 2 3 3 4 4 4 4 7 6 5 5 5 5 5 5 5 5 6 6 12 10 9 8 8 8 8 8 8 8 8 11 9 8 7 7 7 5 5 5 5 5 9 7 6 6 6 6 6 6 6 5 5 5 5 5
Lewis Hamilton 4 6 6 6 6 6 6 5 6 7 11 8 7 7 4 4 4 4 4 4 4 10 10 6 5 5 5 4 4 4 4 4 4 4 4 7 7 6 6 6 4 4 4 4 4 4 4 5 5 4 4 4 4 4 4 4 4 4 4
Fernando Alonso 5 4 4 4 4 4 4 3 3 3 3 4 4 4 3 3 3 3 3 3 3 3 2 2 3 3 3 3 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3
Jenson Button 6 5 5 5 5 5 5 6 5 5 5 2 1 2 7 7 7 7 7 7 7 5 5 4 4 4 4 7 7 7 7 7 7 7 6 4 4 4 4 4 7 6 6 6 6 5 5 4 4 5 5 5 5 5 6 6 6 6 6
Vitaly Petrov 7 8 9 8 8 8 8 8 8 18 16 12 9 9 8 8 8 8 8 8 14 14 14 10 8 6 6 5 5 5 5 5 5 5 5 10 10 9 8 8 8 7 7 7 7 6 10 8 8 8 8 9 9 9 9 9 9 9 8
Michael Schumacher 8 7 8 22 22 22 21 19 19 19 18 16 14 14 15 17 16 16 16 16 16 15 15 15 13 11 10 10 10 10 11 14 14 14 12 11 11 11 11 12 12 10 10 10 11 11 13 12 12 12 12 12 12 11 12 12 12 12 12
Nick Heidfeld 9 9 10 10 10 10 9 9 9 8 6 13 11 10 9 9 9 9 9 9 8 7 7 13 11 10 9 9 9 9 9 9 9 9 8 5 5 10 10 9 9 8 8 8 8 7 6 9 9 9 9 8 8 8 7 7 7 7 7
Felipe Massa 10 10 7 7 7 7 7 7 7 6 12 9 8 8 6 6 6 6 6 6 6 4 4 5 9 7 7 6 6 6 6 6 6 6 7 13 12 12 12 11 10 9 9 9 9 8 8 13 13 13 13 13 13 12 11 11 11 11 11
Rubens Barrichello 11 11 11 9 9 9 10 10 10 9 7 18 15 12 11 11 12 12 12 12 11 11 11 8 6 14 13 13 13 13 12 11 11 11 10 8 9 8 9 10 11 16 16 15 15 14 14 14 14 14 14 15 16 16 16 16 15 15
Adrian Sutil 12 12 12 11 11 11 11 11 11 10 8 19 16 15 13 13 13 13 13 13 12 12 12 9 7 8 14 14 14 14 13 12 12 13 13 12 13 13 13 13 13 17 17 16 16 15 15 15 15 15 15 14 14 14 14 13 14 13
Paul di Resta 13 13 13 12 12 12 13 13 13 12 10 6 18 16 14 14 14 14 14 14 13 13 13 11 12 15 16 16 16 16 15 15 15 16 16 16 16 16 16 15 14 12 12 13 14
Pastor Maldonado 14 14 14 14 14 14 15 15 15 14 13 11 20 19 17 16 15 15 15 15 15 16 17 17 16 17 19 19 19 18 18 18 18 17 17 17 18 18 18 18 18 18 18 18 18 17 17 17 17 17 17 17 17 17 17 17 17 17
Sergio Perez 15 23 23 23 23 23 23 23 23 23 23 23 21 21 18 18 18 20 20 20 20 19 19 19 18 18 17 17 17 17 16 16 17 18 18 18 17 17 17 16 15 13 13 17 17 16 16 16 16 16 16 16 15 15 15 14 13 14
Sebastien Buemi 16 16 15 13 13 13 12 12 12 11 19 17 13 11 10 10 10 10 10 10 9 8 9 7 15 13 11 11 11 11 10 10 10 10 9 6 6 5 5 5 6 11 11 11 10 10 9 7 7 7 7 7 7 7 8 8 8 8 9
Jaime Alguersuari 17 20 19 18 17 16 16 16 16 15 14 10 10 13 19 19 17 17 17 17 17 17 16 16 14 12 12 12 12 12 17 17 16 15 15 15 15 15 15 14 17 15 15 14 13 13 12 11 11 11 11 11 11 13 13 15 16 16
Heikki Kovalainen 18 15 16 15 16 17 17 17 17 16 15 14 12 17 16 15 20 19 19 19 19 20 20 20 20 20 18 18 18 19 19 19 20 20 20 20 20 20 20 20 19 19 19 19 19 18 18 18 18 18 19 19 19 19 19 19 19
Jarno Trulli 19 17 17 17 18 18 18 18 18 17 17 15 17 18 21 20 19 18 18 18 18 18 18 18 19 19 20 20 20 20 20 20 19 19 19 19 19 19 19 19 20 20 20 20 20 19 19 19 19 19 18 18 18 18 18 18 18 18
Vitantonio Liuzzi 20 19 20 19 19 19 19 20 20 21 21 21 22 22 22 22 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 22 22 22 22 22 22 22 22 22
Timo Glock 21
Narain Karthikeyan 22 21 21 21 21 21 22 22 22 22 22 22 23 23 23 23 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 21 21 21 21 21 21 21 21 21 21 21
Kamui Kobayashi 23 18 18 16 15 15 14 14 14 13 9 5 5 6 12 12 11 11 11 11 10 9 8 14 17 16 15 15 15 15 14 13 13 12 14 14 14 14 14 17 16 14 14 12 12 12 11 10 10 10 10 10 10 10 10 10 10 10 10
Jerome dAmbrosio 24 22 22 20 20 20 20 21 21 20 20 20 19 20 20 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 20 20 20 20 20 20 20 20 20 20 20 20

Fastest laps

Mark Webber set the fastest lap for the third race in a row.

Rank Driver Car Fastest lap Gap On lap
1 Mark Webber Red Bull-Renault 1’29.703 48
2 Jaime Alguersuari Toro Rosso-Ferrari 1’29.894 0.191 57
3 Sebastian Vettel Red Bull-Renault 1’29.937 0.234 50
4 Lewis Hamilton McLaren-Mercedes 1’30.108 0.405 48
5 Nick Heidfeld Renault 1’30.158 0.455 52
6 Fernando Alonso Ferrari 1’30.279 0.576 48
7 Nico Rosberg Mercedes 1’30.573 0.870 47
8 Vitaly Petrov Renault 1’30.618 0.915 48
9 Sergio Perez Sauber-Ferrari 1’30.797 1.094 46
10 Kamui Kobayashi Sauber-Ferrari 1’31.038 1.335 45
11 Felipe Massa Ferrari 1’31.118 1.415 57
12 Michael Schumacher Mercedes 1’31.153 1.450 47
13 Jenson Button McLaren-Mercedes 1’31.167 1.464 47
14 Sebastien Buemi Toro Rosso-Ferrari 1’31.360 1.657 44
15 Pastor Maldonado Williams-Cosworth 1’32.044 2.341 44
16 Adrian Sutil Force India-Mercedes 1’32.070 2.367 43
17 Rubens Barrichello Williams-Cosworth 1’32.079 2.376 46
18 Paul di Resta Force India-Mercedes 1’32.519 2.816 40
19 Heikki Kovalainen Lotus-Renault 1’32.695 2.992 55
20 Jarno Trulli Lotus-Renault 1’32.862 3.159 49
21 Narain Karthikeyan HRT-Cosworth 1’33.948 4.245 51
22 Vitantonio Liuzzi HRT-Cosworth 1’34.699 4.996 41
23 Jerome d’Ambrosio Virgin-Cosworth 1’34.971 5.268 55

All lap times

Button’s three-stop strategy may not have served him well, but it might have worked better if he’d stayed out longer in his second and third stints.

His lap times show his tyres had not started to go off when he came in on those two occasions.

Had he stayed out longer then, he could have shortened his final stint when he hit tyre trouble.

This chart shows all the drivers’ lap times (in seconds).

http://www.f1fanatic.co.uk/charts/2011drivercolours.csv

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58
Sebastian Vettel 95.269 94.082 93.768 93.827 93.762 93.801 93.821 93.853 94.201 94.218 94.314 109.991 94.174 92.919 93.168 92.837 93.116 92.884 93.058 92.749 92.9 92.571 92.473 92.755 93.284 107.377 91.7 91.853 92.194 92.077 92.084 92.248 92.131 91.915 91.626 92.456 92.205 91.708 91.595 91.641 107.488 91.083 91.067 91.036 91.321 91.186 90.804 107.268 90.687 89.937 90.39 90.433 90.586 90.621 90.59 91.384 91.453 91.619
Mark Webber 97.199 94.523 94.472 94.278 94.696 94.064 94.509 94.093 94.312 94.625 109.213 92.707 93.131 93.177 93.056 93.06 93.068 93.047 93.513 93.823 94.779 108.384 93.536 92.988 92.704 92.366 92.088 92.062 93.08 92.323 92.699 92.679 92.509 93.034 93.32 107.093 91.005 91.076 91.56 91.254 91.143 91.14 91.376 91.246 91.398 106.8 89.945 89.703 89.766 90.076 90.663 91.181 90.358 90.41 90.721 91.318 91.664 92.352
Nico Rosberg 96.559 94.608 94.412 94.348 95.428 95.776 95.299 95.664 95.04 94.997 111.58 93.397 94.149 94.229 94.219 94.285 94.193 94.537 94.97 96.548 96.644 96.396 110.024 93.92 93.106 93.367 94.161 93.045 93.102 93.445 93.657 93.616 93.481 108.23 91.711 91.877 91.619 91.359 91.336 92.223 91.588 91.782 91.8 91.74 106.213 90.92 90.573 90.889 90.825 90.687 90.871 90.763 90.808 91.279 90.605 90.673 90.917 91.607
Lewis Hamilton 98.852 95.201 95.117 94.858 94.554 94.785 95.175 95.619 96.351 109.806 93.962 93.231 94.493 93.036 93.832 93.781 93.862 94.073 94.865 95.871 109.02 93.581 93.927 92.848 92.709 92.829 92.762 92.572 92.671 92.521 92.065 92.228 92.345 92.897 123.217 91.586 91.746 91.229 91.38 91.85 91.24 91.203 90.783 90.906 90.91 91.053 107.331 90.108 90.139 90.417 91.001 90.777 90.664 90.786 90.575 90.438 90.86 91.292
Fernando Alonso 97.58 95.062 94.667 94.161 94.313 95.507 94.554 94.021 94.17 94.061 109.322 93.292 93.441 93.281 93.177 93.226 93.023 92.922 93.534 93.515 93.48 93.529 93.642 108.811 92.05 91.999 91.729 91.898 91.964 92.07 91.934 92.233 92.23 92.478 92.494 92.725 107.356 90.953 91.048 90.434 91.319 91.072 91.182 91.436 91.243 91.166 106.529 90.279 90.399 90.296 91.654 91.865 90.667 90.807 91.017 91.304 91.615 91.897
Jenson Button 98.351 95.219 95.133 94.96 94.443 95.183 95.415 94.872 95.283 94.788 94.926 95.42 96.239 110.875 94.2 94.196 94.013 93.728 93.975 94.257 95.161 93.901 94.67 93.717 93.904 93.404 110.607 92.928 92.518 93.887 93.301 93.471 94.278 93.255 92.291 92.523 92.968 92.864 92.729 108.263 92.332 92.454 91.715 91.524 91.803 91.361 91.167 91.557 91.78 91.819 91.699 92.082 91.765 92.852 93.286 93.306 93.65 94.721
Vitaly Petrov 100.33 97.306 95.448 94.681 94.877 94.802 95.765 95.277 110.358 95.668 97.463 95.375 93.902 93.743 93.89 93.624 94.075 94.244 94.278 110.279 93.076 93.252 94.192 93.166 93.591 92.755 93.29 93.513 93.441 93.382 93.452 93.734 93.654 94.112 110.126 92.861 92.6 92.774 92.217 93.151 92.504 92.527 92.516 92.441 92.458 107.508 91.036 90.618 90.807 92.297 92.055 91.39 91.144 91.298 91.261 93.406 91.059 91.677
Michael Schumacher 99.759 97.601 119.115 94.122 94.505 94.817 95.072 94.908 94.583 94.565 95.027 96.894 97.1 96.246 109.473 93.804 93.523 93.418 93.464 93.739 94.012 93.236 93.266 93.037 93.115 93.324 93.357 93.35 93.587 94.21 107.706 92.313 92.746 94.436 93.403 92.48 92.977 92.977 93.589 95.602 92.784 92.369 93.445 93.128 93.11 107.419 91.153 91.445 91.338 91.451 91.808 94.008 92.524 94.166 91.899 91.527 91.936 93.034
Nick Heidfeld 100.734 97.163 96.263 95.227 95.351 94.976 94.566 94.582 94.883 94.815 113.721 95.978 94.56 93.696 93.762 93.733 93.829 94.175 93.966 94.02 93.797 94.427 109.6 94.123 92.969 93.189 94.077 93.355 93.133 93.742 93.429 93.84 93.574 93.971 93.258 92.989 108.091 92.172 93.241 92.733 92.29 92.219 92.244 91.952 92.37 92.167 107.784 90.436 90.361 91.144 90.844 90.158 90.405 91.252 90.949 90.872 90.601 90.657
Felipe Massa 100.887 95.441 94.398 94.599 94.539 94.508 95.118 95.094 95.003 111.479 93.498 93.683 94.244 93.521 94.172 94.173 94.15 94.52 94.976 96.509 95.264 94.438 96.419 108.983 93.347 93.123 92.882 93.642 93.517 93.506 93.364 93.669 94.19 94.298 113.85 91.897 92.047 92.524 92.897 92.499 92.38 92.31 92.322 92.517 92.453 92.598 113.325 91.133 91.253 91.208 91.921 93.985 92.404 91.52 91.38 91.178 91.118 91.508
Rubens Barrichello 101.611 96.361 95.769 95.221 95.391 95.847 95.703 95.472 95.803 96.028 111.937 96.246 95.732 94.383 94.361 95.166 94.544 94.741 93.794 94.135 94.231 94.446 94.891 94.411 111.583 93.698 93.708 93.328 93.112 93.078 92.685 93.106 93.554 93.113 93.979 93.725 94.148 94.185 95.029 95.854 110.476 93.395 92.916 92.872 92.298 92.079 92.264 92.349 92.362 92.705 93.564 94.538 93.895 94.536 94.678 96.039 96.381
Adrian Sutil 102.105 96.565 96.443 95.604 95.437 95.222 95.8 95.718 96.039 96.205 111.638 94.971 96.815 95.337 94.03 94.105 94.161 94.409 94.263 94.003 94.347 94.351 94.96 95.356 95.658 109.969 93.312 93.077 93.496 93.388 93.248 93.082 95.689 94.705 94.23 94.011 94.039 93.668 93.813 94.658 108.688 92.695 92.07 92.691 92.563 92.304 92.234 92.333 92.119 92.381 92.447 92.383 92.673 92.876 93.565 94.189 94.794
Paul di Resta 102.477 96.665 96.266 95.739 95.457 96.091 96.214 95.763 95.849 96.149 96.294 109.718 96.19 95.279 94.755 94.279 94.347 94.259 94.523 94.61 94.509 95.32 95.81 96.537 109.961 93.912 94.288 93.697 93.842 93.568 94.194 93.939 108.672 92.813 92.754 92.52 92.704 92.594 92.696 92.519 92.761 93.019 93.581 93.926
Pastor Maldonado 103.213 96.768 96.956 96.086 95.902 96.747 96.61 96.23 96.436 97.997 98.921 114.093 95.862 94.085 94.225 94.187 94.181 94.159 94.064 94.7 95.453 96.436 96.099 96.627 98.153 110.958 93.676 93.713 94.497 93.619 94.03 93.379 93.465 93.204 93.641 94.142 94.461 94.263 94.545 95.27 95.673 109.54 92.414 92.044 92.14 100.93 92.978 92.447 92.222 92.121 92.4 93.034 92.413 92.602 92.452 92.534 93.158
Sergio Perez 120.462 119.982 94.654 94.803 94.574 94.232 94.661 94.634 94.604 94.53 95.082 95.88 95.152 96.06 95.852 97.325 110.668 92.261 92.215 92.447 92.563 92.96 92.753 93.613 93.223 93.713 94.7 93.528 93.644 94.371 94.448 95.612 109.299 91.636 92.261 92.995 91.586 91.599 91.741 92.259 92.601 92.954 108.354 90.842 90.932 90.797 90.837 91.185 91.396 91.348 91.697 91.836 92.515 92.993 93.719 93.159 95.216
Sebastien Buemi 104.233 96.263 95.936 95.377 95.746 94.991 95.924 95.599 95.866 110.593 93.91 95.892 95.17 94.097 93.806 93.906 93.907 93.483 93.72 94.142 94.263 96.038 96.649 110.647 92.392 92.542 92.654 92.8 92.53 92.513 92.623 92.768 92.941 93.555 93.576 93.246 93.17 93.413 94.193 95.818 109.998 91.512 91.56 91.36 92.179 92.369 92.289 92.384 92.221 91.472 91.825 91.777 91.959 92.881 92.299 92.122 92.437 93.416
Jaime Alguersuari 106.09 96.903 96.347 96.097 96.01 95.604 95.822 97.177 96.398 97.034 97.242 97.44 99.363 113.792 93.933 93.832 93.547 93.157 93.458 93.365 94.32 93.818 93.624 93.29 93.685 94.992 93.978 94.3 94.648 109.73 92.52 92.065 91.761 92.15 92.936 93.031 93.47 93.744 93.371 109.068 90.917 91.469 92.394 92.36 91.555 91.32 91.406 91.811 92.171 92.431 92.654 93.17 94.144 96.231 96.953 107.618 89.894
Heikki Kovalainen 103.531 97.37 96.52 96.825 97.346 96.237 95.993 96.413 96.477 97.023 98.668 97.788 99.189 97.846 97.935 113.475 95.53 95.038 95.261 95.175 96.089 94.871 95.093 95.182 95.006 95.273 95.431 95.166 96.13 95.648 96.643 110.809 93.799 93.887 93.849 93.677 93.395 95.568 93.818 94.09 94.404 94.485 93.791 93.654 94.001 94.089 94.775 94.831 95.565 97.533 99.126 99.408 100.091 116.399 92.695 93.462
Jarno Trulli 104.673 97.045 97.043 97.006 96.454 96.389 96.078 96.393 96.443 97.501 97.874 99.34 98.647 112.658 94.974 94.814 94.901 94.68 94.979 94.912 94.802 94.789 95.168 96.265 96.212 112.432 94.328 94.198 94.124 94.144 95.922 94.392 94.465 94.312 95.701 94.355 94.586 94.455 95.436 111.567 94.254 93.696 93.185 93.019 93.28 93.787 93.483 93.355 92.862 93.19 94.28 95.15 95.973 94.72 94.172 94.293 96.713
Vitantonio Liuzzi 105.976 99.047 98.347 97.868 97.74 98.143 98.192 98.311 98.151 100.236 97.97 98.891 98.642 98.875 99.189 174.976 151.088 97.683 97.245 99.165 98.007 97.997 97.389 97.797 99.725 98.602 97.657 98.523 98.663 98.199 98.527 99.097 98.838 97.481 97.837 116.65 148.2 136.176 96.362 96.709 94.699 95.521 95.31 97.366 95.419 95.343 97.94 96.248 95.33 96.157 96.552 98.864 96.012
Timo Glock
Narain Karthikeyan 106.69 99.052 99.232 99.116 97.879 99.298 98.171 97.483 97.89 98.403 98.576 98.931 98.746 99.206 119.641 97.378 97.053 102.463 97.323 96.886 96.816 97.674 97.432 97.767 96.657 98.622 97.317 118.633 97.133 97.139 95.896 95.433 99.606 96.975 96.33 96.192 96.37 95.997 99.998 97.117 98.343 96.19 96.127 95.845 98.163 115.002 95.181 97.493 95.649 97.22 93.948 95.442 97.649 94.747 95.218
Kamui Kobayashi 105.55 96.807 95.881 95.772 95.371 95.8 95.454 95.101 95.386 95.251 95.061 95.179 95.072 111.786 93.366 93.498 93.172 92.919 93.059 93.41 94.323 94.724 106.362 111.258 94.087 92.867 92.438 92.681 92.655 93.042 93.265 93.115 94.909 95.645 95.371 93.458 93.566 93.956 108.782 91.285 91.578 92.041 92.04 91.124 91.038 91.375 92.024 91.301 91.481 91.563 91.59 91.85 91.691 92.515 92.482 92.437 93.494 93.271
Jerome dAmbrosio 106.951 99.264 98.38 97.518 97.364 97.853 98.381 98.142 97.585 97.567 97.566 97.771 98.532 99.146 98.529 99.419 114.593 95.844 96.06 96.84 96.228 96.22 96.082 96.102 96.948 98.174 96.763 96.64 96.897 97.295 97.326 97.394 97.536 118.368 95.61 95.634 95.422 95.396 95.821 98.51 95.215 95.191 96.6 95.576 95.454 95.517 97.288 95.358 95.735 95.385 96.641 95.324 94.979 95.083 94.971 95.713

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46 comments on Three-stop strategy works for Kobayashi, not Button

  1. Icthyes (@icthyes) said on 8th May 2011, 21:06

    Kamui Kobayashi: Hard, Soft, Soft, Soft

    I think that’s probably the answer to the difference. I’m amazed Alguersuari was the only other person to try it.

    One of the striking features of the race was the large gap that opened up between the leading trio and the rest.

    It’s amazing. Clear the chart, add in Vettel, Webber and Alonso. Then add in Hamilton. The scale is more than doubled!

    Great work, thanks as always.

    • NW said on 8th May 2011, 22:26

      Its times were not so awfully off, except for the horrible pitstop.

    • jake said on 8th May 2011, 22:36

      i think what doing that actually shows is that if Lewis didn’t fall back at the start, and didn’t have the bad pit stop, he would have been able to compete with the top 3.

      Of course people will say there is no point in ifs, but what it does show is that the Mclaren still has the pace, despite the lack of updates, and that this was just an off weekend

      • alex said on 9th May 2011, 3:44

        “races are races” (fangio)
        :)

      • bosyber said on 9th May 2011, 9:02

        True, but as it is, his first two stints clearly show the tyres were done three laps before the end of the stints – as it is he might have done better to listen to the team and be less agressive there, being slightly slower, but more consitent; as it is, by that bad pitstop, he had already lost about a pitstop worth of time already.

  2. s7orm said on 8th May 2011, 21:23

    Keith, a question regarding the data – how did you get the tyre compounds used during the stints, since the official f1 timing doesn’t provide the data (I don’t think at least)?

  3. RIISE (@riise) said on 8th May 2011, 21:28

    Jenson was just too slow on the 2nd stint, he should’ve been about 1 second a lap faster to make it work.

    • jake said on 8th May 2011, 22:38

      am i right in thinking that was the stint he got held up with Massa and Rosberg? I think it was that battle that cost him 4th

    • wigster (@wigster) said on 8th May 2011, 22:43

      On Jensons 3rd stint he was stuck behind Massa and Petrov (who was on hards) for 8 laps and was over a second a lap slower then Hamilton for that part of the race and maybe damaged his tyres or lost his rhythm for the last 5 laps. I think thats what lost him 4th place.

      • zecks said on 8th May 2011, 23:00

        what i don’t understand is why teams persist with using the hards in the final stint, surely it is better to do a longer second stint on the hards and if it doesn’t work out you can still switch onto a 4 stop. the benefit of leaving the softs until last is that at the very least the car will be as fast (if not faster) than everyone else

        • jake said on 8th May 2011, 23:12

          i think the problem is that it will lose you track position and the driver will have to do a lot of overtaking, which, whilst possible, is not ideal

        • Icthyes (@icthyes) said on 8th May 2011, 23:18

          I don’t understand it much either. Starting on the hards pays off as it gives you more time on the softs throughout the race, because you’ll be running three soft stints on lighter fuel and get the slow tyres out of the way.

          • Icthyes (@icthyes) said on 8th May 2011, 23:21

            But as jake says, clean air plays a part in making it work. I think the strategy works best when starting on the hard tyres too.

          • DVC said on 8th May 2011, 23:42

            Starting on hards works for fast drivers out of position. Starting on hards works because the time you would be losing passing the other slower cars around you when on softs, you don’t as you’re now the same pace as them.

          • Todfod (@todfod) said on 9th May 2011, 6:26

            @Ichtyes. If you are staring on hards while most of the others around you are starting on softs, you will be bombarded at the start by drivers trying to overtake you. At the start (first 5 laps or so), the entire field is together. So it is very possible that if you are over a second a lap slower .. you could easily lose 5-6 positions at the start. It will be much harder to make those 5 to 6 positions up in the last stint of the race, as those 5 to 6 cars might have a gap of close to 20 seconds or so between them. So there would be a lot of pressure for you to go more than a second a lap quicker in making up those positions. I guess if the hard tyres lasted significantly longer than the softs than it might be a little different.

          • Icthyes (@icthyes) said on 9th May 2011, 10:13

            @Todfod so what? You’ll be going a second a lap slower than the guys on soft tyres around you, so what does it matter that they pass you at the start? They’d pass you anyway.

            If you can get clean air or not being held up by a slower driver (unlikely now because of the DRS – look at how the drivers who passed Webber in China sprinted away from him), it’s swings and roundabouts, except with a slight advantage.

            If by your last stint you have to pass five cars who are 20 seconds apart from first to last, chances are the front one or two probably would have beat you on race pace anyway.

          • Mr draw said on 9th May 2011, 12:39

            Strategy is the key-issue in F1 nowadays. I expected Massa to start on hard tyres, as it’s impossible to be very fast in the first laps in the midfield. An important advantage is, by delaying the first pitstop, you avoid “traffic”, which otherwise may ruin your valuable laps on fresh tyres. So probably the timing is more important than the number of stops. Besides, what’s the performance-difference between fresh soft and hard tyres? It can’t be that much, I think, as the hard tyres are only slightly more durable.

        • BasCB (@bascb) said on 9th May 2011, 7:09

          This time round a lot of the leading drivers used the hards in the 3rd stint, to have the option of making another stop, but not having to do that.

          • BBT (@bbt) said on 9th May 2011, 8:57

            Starting on hards or a second stint on hards and there is a safety car and you are laughing.
            At the end of the day no one wants to lose track position which is why they go with the softs first.

  4. Salty (@salty) said on 8th May 2011, 21:34

    Now here’s a funny thing… someone on the LF pointed out Perez’s FLAP about a third in. Showing Perez’s lap over Button and Kobs is rather impressive – this guy had speed, but was he flattering for the team?

  5. ledzep4pm (@ledzep4pm) said on 8th May 2011, 21:38

    Great work Keith (as usual)
    Hamilton seemed to have lots of degradation on the first to stints (compared to Vettel) but after that he was matching on pace.
    Hopefully when they get the big update at the next race he could really be challenging them.

    • wigster (@wigster) said on 8th May 2011, 22:50

      In the 1st stint Hamiltons high degradation was down to him being right behind and having to pass Button, where as Vettel had a completely empty track in front of him… Lewis himself mentioned that in a post race interview I think.

  6. Nin13 (@) said on 8th May 2011, 21:56

    If you see Michael Schumacher did actually 3 stopper because his 1st stint was 2 laps only. He is only driver on 4 stopper to use soft for 4 stints and hard for 1 (Others, soft-3 and hard-2)
    So in fact he saved tires better than Rosberg.
    Maybe, just maybe if he can qualify better than he could get podium in Barcelona, because race pace wise they are almost equal and Michael is much better with tyres and brakes management though.

    • wigster (@wigster) said on 8th May 2011, 22:59

      But each car only has 3 sets of softs for qualifying the race.

      Therefore he must have used his first set of softs (that were on when he pitted for his new nose) for another stint later in the race, or he didn’t actually change tyres when he made his first pit stop.

  7. Toro Stevo (@toro-stevo) said on 8th May 2011, 22:36

    Last 10 laps clearly show that 3 stops wasn’t the way to go for Button, massive loss compared to everyone else. He was losing time even in the middle stints.

    Heidfeld really had a go at him as well, probably the fastest guy on track in those last 5 laps.

  8. George (@george) said on 8th May 2011, 22:39

    Button’s three-stop strategy may not have served him well, but it might have worked better if he’d stayed out longer in his second and third stints.

    His lap times show his tyres had not started to go off when he came in on those two occasions.

    Ted Kravitz brings this up on his after race pitlane whatsit, apparently Jenson was saving his tyres too much and could have gone faster.

    • BasCB (@bascb) said on 9th May 2011, 7:13

      Yeah, shows Jens could be just a bit more agressive on them.

      I guess the teams and drivers are still learning those tyres.

      • Mr draw said on 9th May 2011, 12:45

        He should be a bit more aggressive on them. ;) It seems his “tyre-saving” driving-style is only a pitfall for him, not a strength.

  9. DVC said on 8th May 2011, 23:28

    I don’t understand why Mercedes didn’t put Schumacher onto the Hard tyre when he came in to replace the nose.

    Because of that early stop he was effectively on a 3 stop strategy. He was also out of step with everyone else, meaning it looked (deceptively) like everyone and their dog was able to pass him – when he was on old tyres at the end of his stint they had much newer ones.

    However, if they had gone with a longer initial stint on the Hard tyre his strategy could have worked like Kobayashi’s. As it was, he wasted a soft tyre set in traffic, when he could have been getting the hard set out of the way.

    • Oliver said on 9th May 2011, 0:21

      True, a fresh set of softs is not worth wasting while running in traffic and carrying a heavy fuel load.

    • Mike said on 9th May 2011, 9:50

      I think the fans are starting to pick up how strategies work nowadays…. quicker perhaps than the teams.

  10. Oliver said on 9th May 2011, 0:29

    Mclaren just messed up Button’s race. With a smaller time penalty for pitting, going for extended runs are not worth it, as the time lost per lap with degrading tyres, ends up being greater than the length of a pit stop.
    The moment Vettel came back just behind Button, after his stop, I just had a feeling Button would have been lucky to finish in 8th position.

  11. hoshi said on 9th May 2011, 7:32

    i got the pole posn, first, second and fifth right in my predictions..how many points am i looking to get now?

    very good race though..got to watch the bbc coverage instead of the espn coverage here in india.must say its so much better on BBC..

  12. AndrewTanner (@andrewtanner) said on 9th May 2011, 8:17

    D’Ambrosio did well on the tyres, though you could argue.he didn’t have much to push for.

    Perez had a pretty poor start!

  13. sumedh said on 9th May 2011, 9:56

    Why did drivers do two stints on the hards? Won’t the idle way be 4 stints on softs and 1 on hards? Or is it that the drivers ran out of softs to use?

    • Icthyes (@icthyes) said on 9th May 2011, 10:15

      They may have been suffering from massive degradation.

      • VXR said on 9th May 2011, 21:04

        Why did drivers do two stints on the hards? Won’t the idle way be 4 stints on softs and 1 on hards? Or is it that the drivers ran out of softs to use?

        They may have been suffering from massive degradation.

        At the beginning of qualifying you have three sets of prime tyres (hard) and three sets of option tyre (soft). You also have to use these tyres for the race. If you start the race on the soft tyre that you qualified on, then that leaves two sets for the race. So that’s the first two pit stops changing to the soft tyre. If you stop two more times, you then have to use the hard tyre for each of those stops. You have then one set of hard tyres left that were not used in the race, but had probably been used in qualifying.

  14. Alex said on 10th May 2011, 13:28

    Given the dramatic increase in the number of pitstops per race this season compared to last, it would be useful to see some analysis of average (normal i.e. just tyres) pitstop times for each time. Does anyone have this to hand?

  15. Anatoly Nechaev said on 10th May 2011, 17:06

    I wonder if Renault would have chosen soft tyres for Petrov after 3rd stop, would he be able to maintain position before Rosberg? He lost 4 seconds in two laps.

    Quite strange to see Renault on S-H-H-H-S strategy. No one else have chosen it. Was there any problems in Quali?

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