race info
Distance
100 KM
Swim
2 km
Bike
80 km
Run
18 km
Overview
This summer, long distance triathlon graces the streets of London! As we build upon the legacy of the London triathlon, this is your chance to join the UK’s biggest city triathlon, as you swim through Royal Victoria Dock and race alongside London’s most memorable landmarks. The London T100 offers one of our most expansive selection of event types and places are selling fast – don’t miss the opportunity to be part of something special!
Overview
break your limit. Join the race.
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Watch 2024 Highlights
Benefits
You Won't Want To Miss This!
100km: The Ultimate Test
Whether you're new to tri or a seasoned competitor, the 100km distance is an endurance challenge like no other.
UNIQUE T100 RACE PACK WITH ENTRY
Included with every triathlon entry is your Official T100 race T-Shirt, Race Bag, and much more.
FOLLOW IN THE PROS' FOOTSTEPS
Join the global triathlon family and race on the closed roads just like the world's top professional triathletes.
Race On The Streets Of London
Line up in Britain’s capital and join one of the world’s biggest triathlons, as you race past iconic sites like Big Ben.
Enter The Race
Register Now
The 2023 PTO Asian Open held in Singapore’s awe-inspiring Marina Bay offers an unprecedented swim location and spectacular city circuit course, for a one of a kind event not to be missed.
28
July
100km
Super Early Bird
100km Triathlon
Distance
100KM
Swim
2KM
Bike
80KM
Run
18KM
28
July
100km
Early Bird
100km Triathlon
Distance
100KM
Swim
2KM
Bike
80KM
Run
18KM
28
July
100km
General Entries
100km Triathlon
Distance
100KM
Swim
2KM
Bike
80KM
Run
18KM
28
July
100km
Final Entries
100km Triathlon
Distance
100KM
Swim
2KM
Bike
80KM
Run
18KM
GENERAL REFUNDS
We understand that sometimes things just don’t go to plan! That’s why we have an industry leading refund policy to help you feel confident in signing up for our events.
- 50% refund until 30 days prior to race day (request in writing)
- 25% up to 7 days prior to race day (request in writing)
- No refund after 7 days prior to race day
Contact Us
Need help or have more questions? Don’t hesitate to get in touch.
Gallery
2023 moments
Other events
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