Williams F1
Chinese GP: Sirotkin stays ahead of Stroll FP2
By Williams Martini Racing
April 13 2018

The second Friday practice session for the 2018 Chinese GP would see the Williams Martini team again well down the order. Sergey Sirotkin would again finish ahead of team-mate Lance Stroll with Sergey in 16th and Lance 20th. Both drivers would complete ultrasoft tyre runs prior to completing longer runs. For Lance his session was marred by a spin when on his ultrasoft tyre quick run.
 
 Williams Martini Chinese GP Friday 2nd Practice
 
Sirotkin
 

Team Summary:
After completing a large number of laps in the opening Friday practice the Williams team would commence the second. The Williams drivers would both start the session on the ultrasoft tyre. They were the only drivers to use this tyre with the others using a mix of soft and medium tyres. Quickest was Perez with a 1m:35.696 followed by Alonso and Ocon. But Bottas would move to the top of the times with a 1m:34.387 followed by Verstappen and Perez. Hamilton was now quickest with a 1m:34.179. Bottas was second followed by Vettel, Raikkonen, Verstappen, and Ricciardo sixth.

After their first runs on the ultrasoft tyres the Williams pair would find themselves in thirteenth and twentieth. Raikkonen would go fastest with a 1m:34.063 running on the soft tyre. More drivers were using the ultrasoft tyre including Hamilton who would set a 1m:33.482. Raikkonen was now second followed by Hulkenberg who was on the ultrasoft tyre. After the ultrasoft tyre runs Hamilton was fastest from Bottas, Vettel, Verstappen, Raikkonen, Hulkenberg, Magnussen, Sainz, Ricciardo, and Alonso tenth. But Raikkonen would move into second. After their quick laps drivers would start to complete longer runs on the ultrasoft tyre. But there would be a mix of tyres been used as the teams assessed their tyre options for the race.

With ten minutes remaining rain would start to fall at the circuit seeing the track empty quickly. The Williams drivers would be amongst the last to pit remaining in sixteenth and twentieth positions. Sergey would remain quicker than Lance but Lance's quicker run was spoilt by his spin. A few drivers would return to the track running on the intermediate tyre with three minutes remaining. With the end of the session Hamilton was fastest from Raikkonen, Bottas, Vettel, Verstappen, Hulkenberg, Magnussen, Sainz, Ricciardo and Alonso in tenth.

Lance Stroll:
Lance would follow his team-mate out also using the ultrasoft tyre. Lance's first time was a 1m:46.493 as he prepared for his flying lap. lance's next lap was a 1m:37.253 to be slowest of those who had set times. He was 0.889 behind his team-mate. Fifteen minutes of the session completed and Lance was now eighteenth. He would drop to nineteenth and slowest. The gap to his team-mate was now 0.783 as he pitted. Lance would also come out on a new set of ultrasoft tyres. But Lance would have a spin at Turn eight ruining his lap. He would say that he lost the rear. Lance would be forced to pit without improving. Lance was now 1.8 seconds behind his team-mate. With under thirty minutes remaining Lance was still in his pit. But he would finally return running on used ultrasoft tyres. After a fourteen lap run Lance would also pit having completed fifteen laps.

Sergey Sirotkin:
Sergey would be the first to come out in the session using the ultrasoft tyre for the first time. Sergey would set a 1m:36.364 to move into second, dropping to fourth. He would drop to seventh as others went quicker. He would drop further to be thirteenth. He would pit after seven laps. With an hour remaining Sergey was back out on a new set of ultrasoft tyres. He was on a personal best lap and would set a 1m:35.340 to now be tenth. Sergey would come on the radio and say that his right mirror had fallen off. Sergey would drop to fourteenth and would pit after a five lap run. In the pits he would drop to sixteenth. Sergey would return on used ultrasoft tyres with forty minutes remaining. Fifteen minutes remaining and Sergey was still on his long run using the ultrasoft tyres. With the rain starting to fall Sergey would pit having completed fifteen laps on the ultrasoft tyre.

 
Stroll
 
Pos Driver Car Time Gap Laps
1 Lewis Hamilton Mercedes 1m33.482s - 26
2 Kimi Raikkonen Ferrari 1m33.489s 0.007s 26
3 Valtteri Bottas Mercedes 1m33.515s 0.033s 27
4 Sebastian Vettel Ferrari 1m33.590s 0.108s 27
5 Max Verstappen Red Bull-Renault 1m33.823s 0.341s 26
6 Nico Hulkenberg Renault 1m34.313s 0.831s 30
7 Kevin Magnussen Haas-Ferrari 1m34.458s 0.976s 26
8 Carlos Sainz Renault 1m34.473s 0.991s 28
9 Daniel Ricciardo Red Bull-Renault 1m34.557s 1.075s 26
10 Fernando Alonso McLaren-Renault 1m34.632s 1.150s 23
11 Sergio Perez Force India-Mercedes 1m34.792s 1.310s 30
12 Pierre Gasly Toro Rosso-Honda 1m34.849s 1.367s 33
13 Esteban Ocon Force India-Mercedes 1m34.874s 1.392s 30
14 Stoffel Vandoorne McLaren-Renault 1m35.163s 1.681s 22
15 Brendon Hartley Toro Rosso-Honda 1m35.333s 1.851s 37
16 Sergey Sirotkin Williams-Mercedes 1m35.340s 1.858s 31
17 Marcus Ericsson Sauber-Ferrari 1m35.624s 2.142s 29
18 Charles Leclerc Sauber-Ferrari 1m35.916s 2.434s 26
19 Romain Grosjean Haas-Ferrari 1m36.471s 2.989s 26
20 Lance Stroll Williams-Mercedes 1m37.147s 3.665s 19
 
Stroll