Competition Rules

The below Competition Rules dated 7 March 2026 are the current rules.

These Competition Rules govern the behaviour of competitors during competition, and the specifications for equipment used during competition. All competitors taking part in events should familiarise themselves with these rules, in order to comply fully and avoid incurring a penalty for infraction.

Any competitor taking part in international competition, such as World Triathlon and Europe Triathlon Age Group Championships should familiarise themselves with the World Triathlon Competition Rules.

Regular participants are also advised to download and review the rules, to ensure they are up to date with any changes.

• Download the full British Triathlon Rule Book (updated March 2026)
• World Triathlon Competition Rules

Gear restrictions for young athletes

British Triathlon has provided extensive guidance explaining gear restrictions for young athletes.  For parent and athlete guidance, please click the link below.

• Gear restriction guidance