Farah #RaceReady Series-Dan Williams on Sepang

Sahara Force India Sport Scientist Dan Williams gives Verge an insight into the demanding environment of Malaysia, ahead of the Grand Prix this weekend, and the impact this has on the drivers and the pit-crew members. These include increased cramp due to dehydration in ambient conditions, but he also reveals that the average fitness levels of an F1 driver are equal to those of a Premier League footballer!

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