British Triathlon 2026 Competition Rules: What Age Groupers Need to Know
British Triathlon published its revised 2026 Competition Rules in March, effective from 7 March. The changes align domestic racing with the updated World Triathlon Competition Rules and include several practical updates that age-group athletes racing in England, Scotland, and Wales need to know before their next event. What’s Changed for 2026 1. Flannel Now Permitted…








