Welcome to Challenge London, formerly London Triathlon, the world's biggest city centre triathlon open to all abilities. Ride by Big Ben, the London Eye and Houses of Parliament on route.
Tickets are on sale now. Get your entry for 2023 today.
Join the start line! Get your ticket for one of the following challenges:
Super Sprint: 400m Swim – 10km Bike – 2.5km Run
Sprint: 750m Swim – 20km Bike – 5km Run
Sprint Relay: 750m Swim – 20km Bike – 5km Run (team of 3 people)
Olympic: 1500m Swim – 40km Bike – 10km Run
Olympic Relay: 1500m Swim – 40km Bike – 10km Run (team of 2 or 3 people)
Middle Distance: 1900m Swim - 80km Bike - 21.1km Run