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Featured challenges
Winter Run
The Cancer Research UK London Winter Run is a 10k challenge that whisks you though the heart of the city, whilst giving you the experience of husky high 5s, a penguin party and polar bear hugs.
Dryathlon
Take on the ultimate test of willpower and give up alcohol this January to raise money for Cancer Research UK.
Virgin Money London Marathon
Running right through the heart of the capital, nothing is more iconic than the Virgin Money London Marathon. Join our team, take to the streets and take on cancer.