The London T100 Triathlon, formerly Challenge London, is one of the largest triathlons in the world and the only registered triathlon to take place in the centre of London available for public entry.
Up for a challenge? The London T100 give you the best opportunity to take a tour of Westminster on the move. Ride by Big Ben, the London Eye and the Houses of Parliament on route.
London T100 Triathlon offers six triathlon disciplines in total:
Super Sprint
Take on the Super Sprint distance: 400m Swim – 10km Bike – 2.5km Run. Secure your spot on the start line. Whether it’s your 1st or 101st event, everyone is welcome at Challenge London.
Sprint
750m Swim – 20km Bike – 5km Run. Complete your race at the ExCel Centre, Royal Victoria Dock along a unique urban route.
Olympic
1500m Swim – 40km Bike – 10km Run. Complete your race while soaking up the view of London’s world-famous landmarks.
T100
2000m Swim – 80km Bike – 18km Run. Take on the ultimate challenge and commit to raise even more for breast cancer research
Sprint Team Relay
Race with your mates! Sprint Relay is designed so you can pass the baton to your nearest and dearest for each leg. Buddy up in a team of three to complete a 750m Swim – 20km Bike – 5km Run. The Sprint Relay takes place in London’s Royal Victoria Dock.
Olympic Team Relay
Take on the Olympic distance with your friends or family as a team of three, one leg per teammate! Complete a 1500m Swim – 40km Bike – 10km Run in the heart of London.
Apply for a charity place
Make sure you don’t miss out! To claim your charity place complete the form below and we’ll be in touch.
When you join our team, you will be making a big difference in helping us continue our vital research into the secondary spread of breast cancer.
Our runners receive all the support and encouragement they need from our team, we’ll help you get the most out of this fantastic experience and as part of our commitment to you, we will…
- Provide you with appropriate training plans and advice
- Advise and assist you with your fundraising
- Send you a fundraising pack and fundraising materials
If you already have a place in the event and would like to run for us, we would also love to hear from you.
This is just one of the many charity events that we offer.