Faster - Harness New Science. Enhance Running Performance. Unlock Your Personal Best.

'A winning blend of rigorous science, practical advice, and entertaining stories ... I can't think of a runner who wouldn't benefit from its wisdom' ED CAESAR'Clear, sensible, enjoyable, and highly practical' DANIEL E. LIEBERMAN'The running book of the decade' GEOFF WIGHTMANFOREWORD FROM ELIUD KIPCHOGE