UK’s Best Multi-Sport Event Challenge London is on track for another cracking year! Join the thousands of people who swim, bike and run around one of the most iconic capital cities in the world.

Are you a beginner looking to tackle your first triathlon? We have the Super Sprint or Sprint distances which offer a challenge we are sure you’ll enjoy! Or alternatively, grab your mates and join in the fun by entering a Sprint or Olympic Team Relay. Why not push yourself as you find your new limit with our Olympic distance event, which allows you to experience the thrill of racing on closed roads past some of London’s most amazing landmarks.

Whether it’s your 1st or 101st event, everyone is welcome at Challenge London, and we cannot wait to see you on the start line.