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Relay triathlons in UK

Find relay triathlons near me in UK 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.

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!
  • Sun 10 Aug
  • Sun 10 Aug
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!
  • Sun 10 Aug
  • Sun 10 Aug
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
Situated off the World Heritage Site Jurassic Coast, this race is a first-timer favourite, featuring sandy beaches, spectacular coastline and the stunning Dorset countryside.
  • Sun 14 Sep
  • 1 charity
  • Sun 14 Sep
  • 1 charity
Weymouth, Dorset, UK

IRONMAN 70.3 Weymouth charity places

Situated off the World Heritage Site Jurassic Coast, this race is a first-timer favourite, featuring sandy beaches, spectacular coastline and the stunning Dorset countryside.

  • Enter online
  • Traffic free
  • Event village
  • Coast
  • Age 18 & over
  • 1.2 miles sea swimming
  • 56 miles road cycling
  • 13.1 miles road running
  • Sun 20 Jul
Grantham, Leicestershire, UK

Belvoir Castle | Olympic Triathlon

  • 1.5 km lake swimming
  • 45 km road cycling
  • 10.5 km road running
  • Sun 20 Jul
Grantham, Leicestershire, UK

Belvoir Castle | Gauntlet Triathlon

  • 1.9 km lake swimming
  • 90 km road cycling
  • 21 km road running
  • Sun 20 Jul
Bedford, Bedfordshire, UK

Bedford Triathlon Team Relays

  • 750 m lake swimming
  • 23 km road cycling
  • 5 km road running
  • Sun 17 Aug
York, North Yorkshire, UK

York Triathlon | CRUK Wave and Relay

  • 200 m pool swimming
  • 9 km road cycling
  • 2.5 km road running
  • Sun 17 Aug
York, North Yorkshire, UK

York Triathlon | Sprint and Relay

  • 400 m pool swimming
  • 20 km road cycling
  • 5 km road running
  • Sun 31 Aug
Ellesmere, Shropshire, UK

Shropshire Triathlon | Middle Distance and Relay

  • 2 km lake swimming
  • 78 km road cycling
  • 20 km road running
  • Sun 31 Aug
Ellesmere, Shropshire, UK

Shropshire Triathlon | Olympic and Relay

  • 1.5 km lake swimming
  • 39 km road cycling
  • 10 km road running
  • Sun 31 Aug
Ellesmere, Shropshire, UK

Shropshire Triathlon | Sprint and Relay

  • 750 m lake swimming
  • 25 km road cycling
  • 5 km road running
  • Sun 14 Sep
Nantwich, Cheshire, UK

North West Triathlon | Sprint and Relay

  • 500 m pool swimming
  • 21 km road cycling
  • 5 km trail running
  • Sun 14 Sep
Nantwich, Cheshire, UK

North West Triathlon | CRUK Wave and Relay

  • 200 m pool swimming
  • 21 km road cycling
  • 2.5 km trail running
  • Sat 27 Sep
Edenbridge, Kent, UK

Hever Castle Triathlon and Multisport Festival | Triathlon Sprint Plus

  • 800 m lake swimming
  • 40 km road cycling
  • 8 km road running
  • Sat 27 Sep
Edenbridge, Kent, UK

Hever Castle Triathlon and Multisport Festival | Triathlon Sprint

  • 750 m lake swimming
  • 20 km road cycling
  • 5 km road running
  • Sat 27 Sep
Edenbridge, Kent, UK

Hever Castle Triathlon and Multisport Festival | Triathlon Super Sprint

  • 400 m lake swimming
  • 20 km road cycling
  • 4 km road running
  • Sat 27 Sep
Edenbridge, Kent, UK

Hever Castle Triathlon and Multisport Festival | Triathlon Starter

  • 200 m lake swimming
  • 12 km road cycling
  • 2.5 km road running
  • Sat 27 Sep
Windsor, Buckinghamshire, UK

Dorney Triathlon - September | Sprint Triathlon

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

Dorney Triathlon - September | Standard Triathlon

  • 1500 m lake swimming
  • 40 km road cycling
  • 10 km road running
  • Sun 28 Sep
Edenbridge, Kent, UK

Hever Castle Triathlon and Multisport Festival | Triathlon Gauntlet

  • 1.9 km lake swimming
  • 90 km road cycling
  • 21 km road running
  • Sun 28 Sep
Edenbridge, Kent, UK

Hever Castle Triathlon and Multisport Festival | Triathlon Olympic

  • 1.5 km lake swimming
  • 40 km road cycling
  • 10.5 km road running
  • Sun 28 Sep
Stratford-upon-Avon, Warwickshire, UK

Warwickshire Triathlon | Sprint and Relay

  • 400 m pool swimming
  • 18 km road cycling
  • 5 km road running
  • Sun 28 Sep
Stratford-upon-Avon, Warwickshire, UK

Warwickshire Triathlon | CRUK Wave & Relay

  • 200 m pool swimming
  • 18 km road cycling
  • 2.5 km road running

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