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Triathlons in South East in August 2025

Find triathlons near me in South East 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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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.
  • Sat 9 Aug
  • £78-£99
  • Sat 9 Aug
  • £78-£99
Windsor, Buckinghamshire, UK

Dorney Triathlon | August | Sprint

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 a multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
  • Sat 9 Aug
  • £99-£120
  • Sat 9 Aug
  • £99-£120
Windsor, Buckinghamshire, UK

Dorney Triathlon | August | Standard

Take on a 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
  • Age 17 & over
  • 1500 km 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.
  • Sat 9 Aug
  • £58
  • Sat 9 Aug
  • £58
Windsor, Buckinghamshire, UK

Dorney Triathlon | August | Super Sprint

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
It’s big. It’s bold. It’s the UK’s one and only disability sports series for the Everyday Superhero! There are many super ways to take part in these super-fun and flexible tri challenges.
  • Sat 16 Aug
  • 1 charity
  • Sat 16 Aug
  • 1 charity
Windsor, Berkshire, UK

Superhero Tri powered by Marvel | Sprint

It’s big. It’s bold. It’s the UK’s one and only disability sports series for the Everyday Superhero! There are many super ways to take part in these super-fun and flexible tri challenges.

  • Enter online
  • Flat
  • Traffic free
  • Age 5 & over
  • 150 m lake swimming
  • 3 km road cycling
  • 1 km road running
It’s big. It’s bold. It’s the UK’s one and only disability sports series for the Everyday Superhero! There are many super ways to take part in these super-fun and flexible tri challenges.
  • Sat 16 Aug
  • 1 charity
  • Sat 16 Aug
  • 1 charity
Windsor, Berkshire, UK

Superhero Tri powered by Marvel | Half

It’s big. It’s bold. It’s the UK’s one and only disability sports series for the Everyday Superhero! There are many super ways to take part in these super-fun and flexible tri challenges.

  • Enter online
  • Flat
  • Traffic free
  • Age 9 & over
  • 400 m lake swimming
  • 10 km road cycling
  • 2.5 km road running
It’s big. It’s bold. It’s the UK’s one and only disability sports series for the Everyday Superhero! There are many super ways to take part in these super-fun and flexible tri challenges.
  • Sat 16 Aug
  • 1 charity
  • Sat 16 Aug
  • 1 charity
Windsor, Berkshire, UK

Superhero Tri powered by Marvel | Full

It’s big. It’s bold. It’s the UK’s one and only disability sports series for the Everyday Superhero! There are many super ways to take part in these super-fun and flexible tri challenges.

  • Enter online
  • Flat
  • Traffic free
  • Age 9 & 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.
  • Wed 27 Aug
  • £58
  • Wed 27 Aug
  • £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
  • Traffic free
  • 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 27 Aug
  • £78
  • Wed 27 Aug
  • £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
  • Traffic free
  • Age 15 & over
  • 750 m lake swimming
  • 20 km road cycling
  • 5 km road running
Take on the fast and flat traffic-free route from Hove Lawns along the famous seafront promenade! Well established as one of the biggest events in the triathlon calendar.
  • Sun 31 Aug
  • 1 charity
  • Sun 31 Aug
  • 1 charity
Brighton, East Sussex, UK

Brighton and Hove Triathlon | Super Sprint Triathlon

Take on the fast and flat traffic-free route from Hove Lawns along the famous seafront promenade! Well established as one of the biggest events in the triathlon calendar.

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 17 & over
  • 300 m sea swimming
  • 10 km road cycling
  • 2.5 km road running
Take on the fast and flat traffic-free route from Hove Lawns along the famous seafront promenade! Well established as one of the biggest events in the triathlon calendar.
  • Sun 31 Aug
  • 1 charity
  • Sun 31 Aug
  • 1 charity
Brighton, East Sussex, UK

Brighton and Hove Triathlon | Sprint Triathlon

Take on the fast and flat traffic-free route from Hove Lawns along the famous seafront promenade! Well established as one of the biggest events in the triathlon calendar.

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 15 & over
  • 750 m sea swimming
  • 20 km road cycling
  • 5 km road running
Take on the fast and flat traffic-free route from Hove Lawns along the famous seafront promenade! Well established as one of the biggest events in the triathlon calendar.
  • Sun 31 Aug
  • 1 charity
  • Sun 31 Aug
  • 1 charity
Brighton, East Sussex, UK

Brighton and Hove Triathlon | Standard Triathlon

Take on the fast and flat traffic-free route from Hove Lawns along the famous seafront promenade! Well established as one of the biggest events in the triathlon calendar.

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 17 & over
  • 1500 m sea swimming
  • 40 km road cycling
  • 10 km road running
  • Sun 31 Aug
Brighton, East Sussex, UK

Brighton and Hove Triathlon | TriStar Start

  • 100 m sea swimming
  • 1.5 km road cycling
  • 600 m road running
  • Sun 31 Aug
Brighton, East Sussex, UK

Brighton and Hove Triathlon | TriStar 1

  • 200 m sea swimming
  • 4 km road cycling
  • 1.2 km road running
  • Sun 31 Aug
Brighton, East Sussex, UK

Brighton and Hove Triathlon | TriStar 2

  • 300 m sea swimming
  • 4 km road cycling
  • 1.8 km road running
  • Sun 31 Aug
Brighton, East Sussex, UK

Brighton and Hove Triathlon | TriStar 3

  • 400 m sea swimming
  • 8 km road cycling
  • 2.4 km road running
  • Sun 31 Aug
Brighton, East Sussex, UK

Brighton and Hove Triathlon | Super Sprint Youth Triathlon (age 15-16)

  • 400 m sea swimming
  • 10 km road cycling
  • 2.5 km road running

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