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British GP: Race notes - Pirelli

NEWS STORY
05/07/2015

Tyre strategy was the key to Lewis Hamilton's victory at the British Grand Prix, when the Mercedes driver stopped earlier than his rivals at Williams to overhaul them and lead the race. Mercedes made exactly the right strategy call twice: bringing Hamilton in for his second stop (for intermediates) just as proper rain hit the end of the grand prix.

Hamilton qualified on pole but lost the lead following an electrifying start from Williams drivers Felipe Massa and Valtteri Bottas. However, he stopped one lap before the race leader and some rapid pit work from the Mercedes mechanics helped Hamilton take the lead after the stops were completed.

The rain at the end of the race added an extra variable to the action, with both Manors and the Ferrari of Kimi Raikkonen being first to switch to the Cinturato Green intermediate. However, these stops were slightly too early, leading to increased wear at the end of the race that necessitated a further stop close to the chequered flag.

As the rain fell harder with nine laps to go, Hamilton pitted from the lead for the intermediates, followed by Ferrari's Sebastian Vettel. The rain then obliged the entire field to switch to intermediate tyres, with Vettel's early stop helping him seal a podium by jumping both Williams drivers, who ran in first and second for the first 20 laps.

Once the final pit stops were complete, Hamilton regained the lead to eventually win the race by more than 10 seconds from his team mate Nico Rosberg. By finishing 10th after three pit stops, Fernando Alonso claimed with McLaren his first point of the season.

Paul Hembery: "That was certainly one of the most exciting races of the year, during which the timing of the pit stops was absolutely crucial - not just once, but twice, when the rain began to fall properly right at the end. Strategy was key to the race, with big gains and losses at stake depending on which tyres were chosen and when. Once more the crowd at the British Grand Prix was absolutely fantastic this year: the scenes of celebration at the end were of the sort that you rarely experience anywhere else in the world."

Truth-O-Meter

The rain as well as two safety car periods (one at the beginning of the race followed by a virtual safety car at the end) had a profound effect on race strategy. We predicted a one-stopper as the most likely strategy, changing from medium to hard on lap 23. Hamilton stopped on lap 19, then made his second perfectly-timed stop (for intermediates) on lap 43.

Check out our Sunday gallery, here.

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