Runners

056 RUNNERSWORLD.CO.UK JULY 2018# All In The MindWinner of the Chicago and London Marathons, three-time Olympian andUS marathon record holder, Deena Kastor is famed for her never-say-dieattitude. In this extract from her autobiography, Let Your Mind Run, one of theworld’s toughest distance runners explains how she used mental trainingto transform her running – and how you can, too