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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.

Challenge yourself to go vegetarian for the month of November, and take the opportunity to learn some delicious new recipes whilst helping fund our life-saving research.

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.