Sat 2 Aug 2025 London, UK

London T100 | 100km

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

100km

00:00

Age 17 & over on 31 Dec 2025

£264

  • 2 km dock swimming
  • 80 km road cycling
  • 18 km road running
  • Chip timing
  • Enter online
  • Event village
  • Newcomers
  • Traffic free

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 open
  • Charity entries open until 02/06/2025
  • Charity places
  • Collect race pack
  • Enter online
  • Insurance available