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 swim, bike, run experience in mind. NEWS 2024 British Triathlon Mixed Team Relay Championships Roll of Honour 27th June 2024 British Triathlon and Franke Coffee Systems UK celebrate new partnership 25th June 2024 Nine medals secured in Swansea and Coimbra 25th June 2024 British Triathlon Gold Pin Awards celebrated at Swansea dinner 24th June 2024 Triathlon Mixed Relay – Britain’s History in the event 14th June 2024 British Triathlon Standard Distance Triathlon Championships Roll of Honour 12th June 2024 Championship Season Rolls into July 11th June 2024