World Triathlon

Frame geometry: Standard road bicycle with traditional diamond frame. In draft-legal races, no time-trial or triathlon-specific frames are permitted. Seat tube angle and handlebar position must conform to UCI road geometry standards.; Handlebars: In draft-legal races (Olympic, World Triathlon), c...

Key Fact: Handlebars in draft-legal races must be drop handlebars with standard brake levers.

Wetsuit rules are based on water temperature measured at a depth of 60 cm, taken 1 hour before the race start: Mandatory: Water temperature below 16°C (60.8°F) for Olympic distance; below 14°C (57.2°F) for sprint distance.; Optional: Between 16–20°C (60.8–68°F) for Olympic distance; between 14–20...

CPSC, CE EN 1078, or equivalent-certified bicycle helmet mandatory.; Helmet must be buckled and secured before the athlete touches or unracks the bicycle in T1.; Helmet must remain buckled until after the athlete has racked the bicycle in T2.

Race number: Worn on the front during the run segment and on the back during the bike segment. Race belt permitted for easy switching.; Timing chip: Ankle-mounted transponder provided by the organiser. Must be worn throughout the entire race. Timing mats at swim exit, T1 entry/exit, T2 entry/exit...

Distance: 1500 m (0.93 mi) for Olympic distance; 750 m for sprint; 300 m for mixed relay super-sprint.; Venue: Open water — lake, river, ocean, or harbour. Purpose-built pools are not used for World Triathlon or Olympic events.; Course layout: Marked by large coloured buoys at turning points. Typ...

Three-discipline course with two transition areas.

Distance: 40 km (24.9 mi) for Olympic distance; 20 km for sprint; 7.4 km for mixed relay.; Layout: Typically a multi-lap circuit on closed public roads. Laps are usually 5–10 km each, providing spectator access and logistical control.; Road surface: Paved roads required. Technical Delegate inspec...

Distance: 10 km (6.2 mi) for Olympic distance; 5 km for sprint; 2 km for mixed relay.; Layout: Multi-lap circuit on paved surfaces. Aid stations every 2.5 km providing water, sponges, and electrolyte drinks.; Finish line: Clearly marked with timing mat, camera, and finish tape. Athletes must comp...

Transition 1 (T1): Swim-to-bike. Located between the swim exit and the bike mount line. Individually numbered racks where athletes store their bike and equipment.; Transition 2 (T2): Bike-to-run. Located between the bike dismount line and the run course start. Athletes rack their bike, remove hel...