British Triathlon is the national governing body for the sport of Triathlon in Great Britain. British Triathlon sanctions over 400 events every year, has over 300 affiliated clubs and over 7000 members. You can join British Triathlon today online or via phone, fax or post. The benefits of British Triathon membership include a reduced entry fee to British Triathlon sanctioned events, worldwide public liability insurance cover, personal accident cover, free legal claims service, bimonthly copies of TriNews, access to the members-only section of this site as well as a British Triathlon handbook and car sticker.

Triathlon England is the membership organisation for triathlon in England. If you reside in England or are eligible to represent England you should join Triathlon England. Members will be affiliated to a region and can vote for their regional committee. There are nine regions in England which correspond to the English regional government areas. Each region has a representative who sits on the Council of Triathlon England. Triathlon England is governed by a Council and managed by an appointed Board of Directors.