I signed up for the Youth Challenge and did not donate to Cancer Research UK at the time. Can I still donate? Virgin Sport 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? What prizes will be awarded? How old does my child have to be to take part in the challenge? Comments 0 comments Article is closed for comments.