What is the age limit for entrants? LimeLight Sports Club 10 December 2021 13:21 Updated Follow You must be at least 17 years old at the end of the calendar year of the event. Related articles Is there a minimum age? I am unable to race, can I have a refund or transfer my place to next year? What challenge options are there for the London Duathlon? Why do I need a LimeLight Sports Club account? I have a disability, can I still participate? Comments 0 comments Article is closed for comments.