Challenge London T100 incl. Super Sprint, Sprint & Olympic

Event overview

Welcome to the brand-new Challenge London T100 Triathlon! Whether you’re a seasoned athlete or a first-time participant, we hope you have an amazing race and enjoy the thrill of competing in the UK’s biggest closed-road triathlon in one of the busiest capital cities in the world.

Whatever distance you’re racing, you can look forward to a spectator-friendly swim in Royal Victoria Dock, an exhilarating bike leg on traffic-free roads in the capital, and a fast, flat run with amazing crowd support to complete your London T100 experience. We hope you have an incredible race!