HomeGet Involved What Is Triathlon? Heard about Triathlon but still not really sure what it's all about? Here you can find out all you need to know! Become an Age-Grouper The GB Age-Group competition offers all Home Nation members a unique opportunity to compete up to an International Level. Membership As a member you can access a great range of exclusive related benefits designed with your triathlon experience in mind. NEWS 500 complete British Triathlon Safeguarding Courses 12th April 2021 From an active kid to Age-Group kit 8th April 2021 HUUB announced as British Triathlon’s Official Wetsuit and Swimwear Partner 29th March 2021 AJ Bell 2021 World Triathlon Leeds reopens entries 11th March 2021 British Triathlon and Home Nations launch The Big Reboot 2nd March 2021 Review of British Triathlon’s celebration of LGBT+ History Month 1st March 2021 Up and coming Scottish triathlete raises over £1,600 for Namibian School 18th February 2021