Named after our unique 100km format, T100 Triathlon is the sport of swimming, cycling and running redefined.

2KM OPEN-WATER SWIM

Your race day’s starting point, a 2km outdoor swim in a beautiful body of water, whether sea, lake or river. Enjoy the pre-race anticipation and feel the elation when nerves vanish as your race begins.

80KM BIKE COURSE

Enjoy an 80km bike course across varying terrain where the distance and route will challenge you to balance your effort and your nutrition to stay strong and have enough left in the tank for the run.

18KM RUN

The perfect distance whether you’re competing or completing, the 18km, multi-lap run ensures plenty of crowd support topped by incredible vibes as you cross the finish line to claim your medal.

So whether you’re trying triathlon for the first time or looking to push your performance limits the 100km distance is the perfect challenge.

Plus, it’s all part of an exciting multi-sport festival, with Sprint and Olympic distances available to athletes at all stages of their T100 journey.

Whether you’re a first-time amateur triathlete starting your swim-bike-run adventure or looking to smash your fitness goals, feel like a champion crossing the finish line at a T100 Triathlon event.

CONNECT WITH THOUSANDS OF ATHLETES

Be part of a thriving community of passionate athletes who inspire and support each other.

SPORTING FESTIVALS FOR EVERYONE

We welcome all ages, abilities, shapes, sizes and confidence levels – so, sign up, join in and be part of something special.

ICONIC ROUTES, CLOSED ROADS

Race through breathtaking locations on fully closed roads*, designed for ultimate safety and performance.

TOP-QUALITY PREMIUM SWAG

Awesome race medals and race gear of a quality that you’ll want to show off and use time and time again.

CHAMPION-WORTHY FINISH LINE

Cross the finish line to roaring cheers, a celebratory atmosphere and a feeling of true accomplishment.