HomeGB TeamsAge-Group What is Age-Group Triathlon? Find out more about how Age-Group triathlon works. Qualify for the GB Age-Group Team Search and register for Age-Group qualifying events. GB Age-Group Policies and Guidelines Important information about involvement in the GB Age-Group teams. Age Group NEWS What's coming up this weekend 5th April 2018 Clumber Park Duathlon Postponed 16th March 2018 In the Spotlight: Age-Group Athlete Yiannis Christodoulou 28th February 2018 Weekend roundup: Winter Triathlon medals and Wanaka silver 19th February 2018 What's coming up this weekend 16th February 2018 Grandstand tickets available for British Triathlon Home Nation members 14th February 2018 Routes unveiled for the 2018 edition of the ITU World Triathlon Leeds 26th January 2018