Challenge your partner to an offer they can't refuse!

Find out your estimated running time with our quiz, designed by fitness trainer to the stars Lucy Wyndham-Read.

Then make things more interesting by challenging your partner, friends or family to run with you with an offer they can't refuse!

You could pledge to do their washing or cooking for a month.

If they take up your challenge and you finish Run 10k closer to your target running time than them – you win!

Take the quiz, set a challenge to Run 10k together and raise money to help beat cancer.