NASCAR testing rain tyres at Martinsville Speedway

Thursday's test at Martinsville Speedway aims to determine whether rain tyres could be feasible at some short tracks in the future.
Kyle Larson will pilot the #5 Hendrick Motorsports Chevrolet and Chris Buescher will pilot the #17 Roush Fenway Racing Ford on a dampened track.
NASCAR first used rain tyres in an official national series event back in 2008 at the Circuit Gilles Villeneuve ...Keep reading