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Relay triathlons in UK

Find relay triathlons near me in UK for 2024/2025 - 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 Aug 2025
  • Sat 2 Aug 2025
London, UK

London T100 | Sprint charity places

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!

  • Chip timing
  • Enter online
  • Traffic free
  • Age 17 & over
  • 750 m dock swimming
  • 20 km road cycling
  • 5 km road running
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 Aug 2025
  • Sat 2 Aug 2025
London, UK

London T100 | Olympic charity places

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!

  • Chip timing
  • Enter online
  • Traffic free
  • Age 17 & over
  • 1.5 km dock swimming
  • 40 km road cycling
  • 10 km road running
Awarded the Event of the year (2021) in the Welsh Triathlon Awards, The Craft Snowman is well known as the toughest multi-terrain triathlon in the UK. It is not for the faint-hearted.
  • Sun 3 Aug 2025
  • £105.99-£130.99
  • Sun 3 Aug 2025
  • £105.99-£130.99
Betws-y-Coed, Clwyd, UK

Craft Snowman Standard Triathlon

Awarded the Event of the year (2021) in the Welsh Triathlon Awards, The Craft Snowman is well known as the toughest multi-terrain triathlon in the UK. It is not for the faint-hearted.

  • Chip timing
  • Enter online
  • Hilly
  • Mountainous
  • Age 17 & over
  • 1500 m lake swimming
  • 69.2 km mountain biking
  • 8.4 km multi terrain 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 2025
  • £78-£99
  • Sat 9 Aug 2025
  • £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 2025
  • £99-£120
  • Sat 9 Aug 2025
  • £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
ATW is the largest triathlon organiser in the UK and is bringing you the Oundle Triathlon! It doesn’t matter if you are an experienced triathlete or this is your very first attempt at swim-bike-run.
  • Sun 17 Aug 2025
  • £73-£95
  • Sun 17 Aug 2025
  • £73-£95
Peterborough, Northamptonshire, UK

ATW Oundle Sprint Distance Triathlon

ATW is the largest triathlon organiser in the UK and is bringing you the Oundle Triathlon! It doesn’t matter if you are an experienced triathlete or this is your very first attempt at swim-bike-run.

  • Chip timing
  • Enter online
  • Age 15 & over
  • 600 m pool swimming
  • 25 km road cycling
  • 5 km trail running
Get involved in this Grafham Triathlon, brought to you by the largest triathlon organiser in the UK!
  • Sat 13 Sep 2025
  • £94-£115
  • Sat 13 Sep 2025
  • £94-£115
Huntingdon, Cambridgeshire, UK

ATW Grafham Standard Triathlon

Get involved in this Grafham Triathlon, brought to you by the largest triathlon organiser in the UK!

  • Chip timing
  • Enter online
  • Age 17 & over
  • 1500 m lake swimming
  • 38 km road cycling
  • 10 km road running
The Big East and Maldon Triathlon is brought to you by the largest triathlon organiser in the UK! A great experience featuring a tidal river swim.
  • Sun 21 Sep 2025
  • £94-£115
  • Sun 21 Sep 2025
  • £94-£115
Maldon, Essex, UK

ATW Big East & Maldon Standard Triathlon

The Big East and Maldon Triathlon is brought to you by the largest triathlon organiser in the UK! A great experience featuring a tidal river swim.

  • Enter online
  • Undulating
  • Age 17 & over
  • 1500 m river swimming
  • 40 km road cycling
  • 10 km trail running
The Big East and Maldon Triathlon is brought to you by the largest triathlon organiser in the UK! A great experience featuring a tidal river swim.
  • Sun 21 Sep 2025
  • £155-£175
  • Sun 21 Sep 2025
  • £155-£175
Maldon, Essex, UK

Big East Middle Distance Triathlon

The Big East and Maldon Triathlon is brought to you by the largest triathlon organiser in the UK! A great experience featuring a tidal river swim.

  • Enter online
  • Undulating
  • Age 18 & over
  • 1500 m river swimming
  • 86 km road cycling
  • 20 km trail running
The Big East and Maldon Triathlon is brought to you by the largest triathlon organiser in the UK! A great experience featuring a tidal river swim.
  • Sun 21 Sep 2025
  • £73-£94
  • Sun 21 Sep 2025
  • £73-£94
Maldon, Essex, UK

ATW Big East & Maldon Sprint Triathlon

The Big East and Maldon Triathlon is brought to you by the largest triathlon organiser in the UK! A great experience featuring a tidal river swim.

  • Enter online
  • Undulating
  • Age 15 & over
  • 750 m river swimming
  • 25 km road cycling
  • 5 km trail running
Scotland, you are immense. ROC Scotland athletes, you are legends! THE ROC takes on the Highlands, from Kinlochleven to the summit of Ben Nevis, the UK’s highest mountain and back.
  • Sat 4 Oct 2025
  • £220-£260
  • Sat 4 Oct 2025
  • £220-£260
Kinlochleven, Highland, UK

THE ROC SCOTLAND

Scotland, you are immense. ROC Scotland athletes, you are legends! THE ROC takes on the Highlands, from Kinlochleven to the summit of Ben Nevis, the UK’s highest mountain and back.

  • Recycling
  • Plastic bottle free
  • Music
  • Chip timing
  • Enter online
  • Hilly
  • Mountainous
  • Event village
  • Rural
  • Mountains
  • Sustainability policy
  • Plastic-free event
  • Age 18 & over
  • 1.5 km lake swimming
  • 53 km mountain biking
  • 18.5 km multi terrain running
  • Sun 13 Apr 2025
Stratford-upon-Avon, Warwickshire, UK

Stratford Triathlon | CRUK Wave and Relay

  • 200 m pool swimming
  • 18 km road cycling
  • 2.5 km road running
  • Sun 13 Apr 2025
Stratford-upon-Avon, Warwickshire, UK

Stratford Triathlon | Sprint and Relay

  • 400 m pool swimming
  • 18 km road cycling
  • 5 km road running
  • Sun 11 May 2025
Nantwich, Cheshire, UK

Cheshire Triathlon | CRUK Wave and Relay

  • 200 m pool swimming
  • 21 km road cycling
  • 2.5 km trail running
  • Sun 11 May 2025
Nantwich, Cheshire, UK

Cheshire Triathlon | Sprint and Relay

  • 500 m pool swimming
  • 21 km road cycling
  • 5 km trail running
  • Sun 29 Jun 2025
Hexham, Northumberland, UK

The Northumbrian | Full Iron Distance

  • 2.4 miles lake swimming
  • 112 miles road cycling
  • 26.2 miles trail running
  • Sun 29 Jun 2025
Hexham, Northumberland, UK

The Northumbrian | Half Iron Distance

  • 1.2 miles lake swimming
  • 56 miles road cycling
  • 13.1 miles trail running

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