Sat 2 Aug 2025 London, UK

London T100 | Olympic

Formerly The London Triathlon, this is one of the world’s biggest triathlons where athletes will race through the capital on a landmark-filled route. London is calling!

  • Sat 2 Aug 2025
Royal Victoria Dock, London

Olympic

00:00

Age 17 & over on 31 Dec 2025

£149

  • 1.5 km dock swimming
  • 40 km road cycling
  • 10 km road running

Event overview

Following the sell out of the 2024 event, join thousands of athletes from around the globe in one of the largest and most iconic triathlons in the world! The London T100 Triathlon offers a unique and unforgettable, closed-roads racing experience through the iconic city centre. A feeling that you won’t find anywhere else.

This event is part of London T100.

Event details

  • All fitness levels
  • Event village
  • Newcomers
  • Spectators
  • Swim hat provided
  • Teams
  • Wetsuit required

Route

  • Distance markers
  • First aid
  • Marshals
  • Multiple laps
  • No headphones
  • Traffic free
  • Water stations
  • Wave start
  • Way markers

What's included

  • Chip timing
  • Medal

Entries

  • Age 17 & over on 31 Dec 2025
  • Entries not yet open
  • Charity entries open until 02/06/2025
  • Charity places
  • Collect race pack
  • Enter online
  • Insurance available