TAKE ON TOUGH 10.
HELP BEAT CANCER
Choose your 10k challenge
Cancer Research UK's Tough 10 is a series of epic 10k runs. No obstacles - this is the chance to take on some of the UK's toughest terrain. Double-knot your trainers and prepare to thigh-burn your way to raising serious money to help beat cancer sooner.
With three levels of toughness available, choose your ultimate running challenge from 10 events taking place at iconic venues across the UK.
2017 events are still being confirmed but you can register your interest now and we'll let you know as soon as entries open.