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Relay triathlons in South East

Find relay triathlons near me in South East for 2025/2026 - 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.
  • Sat 7 Jun
  • £78-£99
  • Sat 7 Jun
  • £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.
  • Sat 7 Jun
  • £99-£120
  • Sat 7 Jun
  • £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 13 Jul
  • £78
  • Sun 13 Jul
  • £78
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 13 Jul
  • £99-£120
  • Sun 13 Jul
  • £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.
  • Sat 9 Aug
  • £78-£99
  • Sat 9 Aug
  • £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 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 Standard Triathlon

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
The Olympic venue, Eton Dorney, offers pan-flat, traffic-free roads and a beautiful clear lake for Standard-distance triathletes to enjoy in an exclusive setting.
  • Sun 21 Sep
  • £82-£97
  • Sun 21 Sep
  • £82-£97
Windsor, Buckinghamshire, UK

Eton Dorney Standard Triathlon

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

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 17 & over
  • 1.5 km lake swimming
  • 40 km road cycling
  • 10 km trail running
The Olympic venue, Eton Dorney, offers pan-flat, traffic-free roads and a beautiful clear lake for Sprint triathletes to enjoy in an exclusive setting.
  • Sun 21 Sep
  • £72-£87
  • Sun 21 Sep
  • £72-£87
Windsor, Buckinghamshire, UK

Eton Dorney Sprint Triathlon

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

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 15 & over
  • 750 m lake swimming
  • 20 km road cycling
  • 5 km trail running
Get active in the award-winning grounds and surrounding Kent countryside in the a Sprint Plus Triathlon! Recruit your friends and celebrate completing your challenge in the festival village.
  • Sat 27 Sep
  • £115-£155
  • Sat 27 Sep
  • £115-£155
Edenbridge, Kent, UK

Hever Castle Triathlon and Multisport Festival | Triathlon Sprint Plus

Get active in the award-winning grounds and surrounding Kent countryside in the a Sprint Plus Triathlon! Recruit your friends and celebrate completing your challenge in the festival village.

  • Chip timing
  • Enter online
  • Age 17 & over
  • 800 m lake swimming
  • 40 km road cycling
  • 8 km road running
Get active in the award-winning grounds and surrounding Kent countryside in a Sprint Triathlon! Recruit your friends and celebrate completing your challenge in the festival village.
  • Sat 27 Sep
  • £100-£150
  • Sat 27 Sep
  • £100-£150
Edenbridge, Kent, UK

Hever Castle Triathlon and Multisport Festival | Triathlon Sprint

Get active in the award-winning grounds and surrounding Kent countryside in a Sprint Triathlon! Recruit your friends and celebrate completing your challenge in the festival village.

  • Chip timing
  • Enter online
  • Age 15 & over
  • 750 m lake swimming
  • 20 km road cycling
  • 5 km road running
Get active in the award-winning grounds and surrounding Kent countryside in a Super Sprint Triathlon! Recruit your friends and celebrate completing your challenge in the festival village.
  • Sat 27 Sep
  • £95-£145
  • Sat 27 Sep
  • £95-£145
Edenbridge, Kent, UK

Hever Castle Triathlon and Multisport Festival | Triathlon Super Sprint

Get active in the award-winning grounds and surrounding Kent countryside in a Super Sprint Triathlon! Recruit your friends and celebrate completing your challenge in the festival village.

  • Chip timing
  • Enter online
  • Age 15 & over
  • 400 m lake swimming
  • 20 km road cycling
  • 4 km road running
Get active in the award-winning grounds and surrounding Kent countryside in a Starter Triathlon! Recruit your friends and celebrate completing your challenge in the festival village.
  • Sat 27 Sep
  • £80-£120
  • Sat 27 Sep
  • £80-£120
Edenbridge, Kent, UK

Hever Castle Triathlon and Multisport Festival | Triathlon Starter

Get active in the award-winning grounds and surrounding Kent countryside in a Starter Triathlon! Recruit your friends and celebrate completing your challenge in the festival village.

  • Chip timing
  • Enter online
  • Age 15 & over
  • 200 m lake swimming
  • 14 km road cycling
  • 2.5 km road running
Take on a multi-activity or distance event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
  • Sat 27 Sep
  • £78-£99
  • Sat 27 Sep
  • £78-£99
Windsor, Buckinghamshire, UK

Dorney Triathlon | September | Sprint Triathlon

Take on a multi-activity or distance 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 or distance event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
  • Sat 27 Sep
  • £99-£120
  • Sat 27 Sep
  • £99-£120
Windsor, Buckinghamshire, UK

Dorney Triathlon | September | Standard Triathlon

Take on a multi-activity or distance 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
Not for the faint hearted, this race pushes competitors to their limits whilst visiting every corner of the beautiful castle estate and its surrounding rural area into the High Weald AONB.
  • Sun 28 Sep
  • £245-£295
  • Sun 28 Sep
  • £245-£295
Edenbridge, Kent, UK

Hever Castle Triathlon and Multisport Festival | Triathlon Gauntlet

Not for the faint hearted, this race pushes competitors to their limits whilst visiting every corner of the beautiful castle estate and its surrounding rural area into the High Weald AONB.

  • Chip timing
  • Enter online
  • Age 18 & over
  • 1.9 km lake swimming
  • 90 km road cycling
  • 21 km road running
Great Britain Age Group 2026 Team Qualifier. Get active in the award-winning grounds and surrounding Kent countryside in an Olympic Triathlon in an event for all ability levels then celebrate after!
  • Sun 28 Sep
  • £125-£165
  • Sun 28 Sep
  • £125-£165
Edenbridge, Kent, UK

Hever Castle Triathlon and Multisport Festival | Triathlon Olympic

Great Britain Age Group 2026 Team Qualifier. Get active in the award-winning grounds and surrounding Kent countryside in an Olympic Triathlon in an event for all ability levels then celebrate after!

  • Chip timing
  • Enter online
  • Age 17 & over
  • 1.5 km lake swimming
  • 40 km road cycling
  • 10 km road running
  • Sun 1 Jun
Henley-on-Thames, Oxfordshire, UK

Henley Triathlon | Sprint and Relay

  • 400 m pool swimming
  • 25 km road cycling
  • 5 km trail running
  • Sun 1 Jun
Henley-on-Thames, Oxfordshire, UK

Henley Triathlon | CRUK Wave and Relay

  • 200 m pool swimming
  • 12.5 km road cycling
  • 2.5 km trail running
  • Sat 19 Jul
Windsor, Buckinghamshire, UK

Castle To Coast Triathlon

  • 1.2 miles lake swimming
  • 67 miles road cycling
  • 14 miles trail running
  • Sun 27 Jul
Windsor, Buckinghamshire, UK

Dorney Triathlon - July | Sprint Triathlon

  • 750 m lake swimming
  • 20 km road cycling
  • 5 km road running
  • Sun 27 Jul
Windsor, Buckinghamshire, UK

Dorney Triathlon - July | Standard Triathlon

  • 1500 m lake swimming
  • 40 km road cycling
  • 10 km road running

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