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Triathlons in London in August 2025

Find triathlons near me in London in August 2025 - search by date or place, display on a map or use the advanced search to find your perfect race.

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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 - Sun 3 Aug 2025
  • £109-£264
  • Sat 2 - Sun 3 Aug 2025
  • £109-£264
London, UK

London T100

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!

  • Newcomers
  • Event village
  • Age 17 & over
  • Half Ironman
  • Sprint triathlon
  • Olympic triathlon

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