The start of the adidas Flora London Half Marathon at Silverstone Grand Prix race circuit in Northamptonshire, with 10, 000 runners taking part in the 13.1 mile race Stock Photo - Alamy
34 Adidas Silverstone Half Marathon Photos and Premium High Res Pictures - Getty Images
One place left for the Adidas Silverstone Half Marathon - 2nd March 2014 - Footsteps