20

Relay triathlons in South East

Find relay triathlons in South East in 2026/2027 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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Select an event for photos, video, route, location, reviews, entry fees and how to enter.

A Sprint Triathlon combining a smooth pool swim, fast road cycling and scenic run routes, ideal for stepping up with racing and crowd support.
  • Sun 26 Apr
  • £59.50-£74.50
Woking, Surrey, UK

Woking Spring Triathlon & Junior Aquathlon | Sprint Triathlon

A Sprint Triathlon combining a smooth pool swim, fast road cycling and scenic run routes, ideal for stepping up with racing and crowd support.

  • 400 m pool swimming
  • 20.6 km road cycling + 249 ft ascent
  • 5 km trail running + 75 ft ascent
Take on this multi-activity event as an individual or as a relay, and enjoy the opportunity to race around the unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
  • Sat 2 May
  • £58-£120
Windsor, Buckinghamshire, UK

Dorney Triathlon | May

Take on this multi-activity event as an individual or as a relay, and enjoy the opportunity to race around the unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.

  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon
  • Sprint aquabike
  • Standard aquabike
Take on this multi-activity event as an individual or as a relay, and enjoy the opportunity to race around the unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
  • Sat 6 Jun
  • £58-£120
Windsor, Buckinghamshire, UK

Dorney Triathlon | June

Take on this multi-activity event as an individual or as a relay, and enjoy the opportunity to race around the unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.

  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon
  • Sprint aquabike
  • Standard aquabike
Take on this multi-activity event as an individual or as a relay, and enjoy the opportunity to race around the unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
  • Sun 12 Jul
  • £58-£120
Windsor, Buckinghamshire, UK

Dorney Triathlon | July

Take on this multi-activity event as an individual or as a relay, and enjoy the opportunity to race around the unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.

  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon
  • Sprint aquabike
  • Standard aquabike
A one-of-a-kind triathlon adventure from castle to coast – swim, bike, run and soak up the best of the North and South Downs, fully supported all the way, no navigation needed!
  • Sat 18 Jul
  • £265-£293
  • Early bird
Windsor, Buckinghamshire, UK

Castle To Coast Triathlon

A one-of-a-kind triathlon adventure from castle to coast – swim, bike, run and soak up the best of the North and South Downs, fully supported all the way, no navigation needed!

  • 1.2 miles lake swimming
  • 66 miles road cycling + 3550 ft ascent
  • 14 miles trail running + 1512 ft ascent
Take on this multi-activity event as an individual or as a relay, and enjoy the opportunity to race around the unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
  • Sun 26 Jul
  • £58-£120
Windsor, Buckinghamshire, UK

Dorney Triathlon | July

Take on this multi-activity event as an individual or as a relay, and enjoy the opportunity to race around the unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.

  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon
  • Sprint aquabike
  • Standard aquabike
Take on this multi-activity event as an individual or as a relay, and enjoy the opportunity to race around the unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
  • Sat 8 Aug
  • £58-£120
Windsor, Buckinghamshire, UK

Dorney Triathlon | August

Take on this multi-activity event as an individual or as a relay, and enjoy the opportunity to race around the unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.

  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon
  • Sprint aquabike
  • Standard aquabike
Dive into clear waters, ride fast on quiet roads and run strong at a friendly, Sprint Triathlon challenge for all ages and abilities.
  • Sun 13 Sep
  • £59.50-£74.50
Woking, Surrey, UK

Woking Autumn Triathlon & Junior Aquathlon | Sprint Triathlon

Dive into clear waters, ride fast on quiet roads and run strong at a friendly, Sprint Triathlon challenge for all ages and abilities.

  • 400 m pool swimming
  • 20.6 km road cycling + 249 ft ascent
  • 5 km trail running + 75 ft ascent
The Olympic venue, Eton Dorney, offers pan-flat, traffic-free roads and a beautiful clear lake for all levels of triathletes and swimmers to enjoy in an exclusive setting.
  • Sun 20 Sep
  • £30-£97
Windsor, Buckinghamshire, UK

Eton Dorney Triathlon & Swims

The Olympic venue, Eton Dorney, offers pan-flat, traffic-free roads and a beautiful clear lake for all levels of triathletes and swimmers to enjoy in an exclusive setting.

  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon
  • Lake swim 4
Take on this multi-activity event as an individual or as a relay, and enjoy the opportunity to race around the unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
  • Sat 26 Sep
  • £58-£120
Windsor, Buckinghamshire, UK

Dorney Triathlon | September

Take on this multi-activity event as an individual or as a relay, and enjoy the opportunity to race around the unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.

  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon
  • Sprint aquabike
  • Standard aquabike
  • Sun 12 Jul
  • £45-£179
Eastbourne, East Sussex, UK

Eastbourne Triathlon and Multisport Festival

  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon
  • Charity swim
  • Sprint aquathlon
  • + 3 more races

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