Pirelli Motorsport boss Mario Isola said that the data gathered by Formula 1 teams on Friday at the British Grand Prix was crucial in understanding a fast evolving track. The surface of the Silverstone International Circuit was relaid in the close run up to the race week in order to improve drainage in adverse weather conditions. The fully green track provided plenty of grip in Free Practices 1 and 2 despite light rain early in the day, as well oil and dust working its way to the top of the surface, making it greasy and catching a number of drivers by surprise. Romain Grosjean suffered two spins in the morning session, one at the pit exit and one at Brooklands, while home driver Lando...
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