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Triathlons in Berkshire in May 2025

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

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Click an event for full event details, location, route, sustainability, what's included and how to enter.

Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
  • Sun 25 May
  • £78-£99
  • Sun 25 May
  • £78-£99
Windsor, Buckinghamshire, UK

Dorney Sprint Triathlon

Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Age 15 & over
  • 750 m lake swimming
  • 20 km road cycling
  • 5 km road running
Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
  • Sun 25 May
  • £99-£120
  • Sun 25 May
  • £99-£120
Windsor, Buckinghamshire, UK

Dorney Standard Triathlon

Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Age 17 & over
  • 1500 m lake swimming
  • 40 km road cycling
  • 10 km road running
Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
  • Sun 25 May
  • £58
  • Sun 25 May
  • £58
Windsor, Buckinghamshire, UK

Dorney Super Sprint Triathlon

Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Age 15 & over
  • 400 m lake swimming
  • 10 km road cycling
  • 2.5 km road running
Incorporating Sprint Triathlon 2026 World Championships Qualifier! Dorney Lake Events provides you with an opportunity to race like an elite around this unique and inspiring Olympic venue.
  • Sun 25 May
  • £80
  • Sun 25 May
  • £80
Windsor, Buckinghamshire, UK

Dorney Lake Draft-Legal Triathlon

Incorporating Sprint Triathlon 2026 World Championships Qualifier! Dorney Lake Events provides you with an opportunity to race like an elite around this unique and inspiring Olympic venue.

  • Newcomers
  • Enter online
  • Flat
  • Event village
  • Age 15 & over
  • 750 m lake swimming
  • 19 km road cycling
  • 5 km road running
Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
  • Wed 28 May
  • £58
  • Wed 28 May
  • £58
Windsor, Buckinghamshire, UK

Midweek Dorney Super Sprint Triathlon

Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Age 15 & over
  • 400 m lake swimming
  • 10 km road cycling
  • 2.5 km road running
Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
  • Wed 28 May
  • £78
  • Wed 28 May
  • £78
Windsor, Buckinghamshire, UK

Midweek Dorney Sprint Triathlon

Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Age 15 & over
  • 750 m lake swimming
  • 20 km road cycling
  • 5 km road running

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