I signed up for the Youth Challenge and did not donate to Cancer Research UK at the time. Can I still donate? LimeLight Sports Club 26 May 2020 11:46 Follow Yes, you can still make a donation to Cancer Research UK on this web page. Related articles How do I track my progress and submit my results? Why did I get an email confirmation for the ASICS London 10k on 5th July? How old does my child have to be to take part in the challenge? How can I request a refund through FanShield? What prizes will be awarded? Comments 0 comments Article is closed for comments.