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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Events near me
Click an event for full event details, location, route, sustainability, what's included and how to enter.
- Sat 27 Sep
- £78-£99
- Sat 27 Sep
- £78-£99
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
- Sat 27 Sep
- £99-£120
- Sat 27 Sep
- £99-£120
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
- Sat 27 Sep
- £73-£98
- Entries closed
- Sat 27 Sep
- £73-£98
- Entries closed
Craggy Island Triathlon | Saturday
An award-winning triathlon on the incredible, unspoilt Hebridean Island of Kerrera, off Scotland's stunning west coast with the accessible marina and its facilities as the main hub.
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 16 & over
- 600 m sea swimming
- 16 km mountain biking + 362 m ascent
- 8.5 km trail running + 234 m ascent
- Sun 28 Sep
- £245-£295
- Sun 28 Sep
- £245-£295
Hever Castle | Gauntlet Triathlon
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
- Sun 28 Sep
- £125-£165
- Sun 28 Sep
- £125-£165
Hever Castle | Olympic Triathlon
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 28 Sep
- £73-£98
- Sun 28 Sep
- £73-£98
Craggy Island Triathlon | Sunday
An award-winning triathlon on the incredible, unspoilt Hebridean Island of Kerrera, off Scotland's stunning west coast with the accessible marina and its facilities as the main hub.
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 16 & over
- 600 m sea swimming
- 16 km mountain biking + 362 m ascent
- 8.5 km trail running + 234 m ascent
- Sat 4 Oct
- £240-£260
- Sat 4 Oct
- £240-£260
THE ROC SCOTLAND
THE ROC takes in the Highlands. Kinlochleven to the summit of Ben Nevis and back, including a Loch swim, stunning mountain/gravel bike sections and the UK's highest mountain!
- 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 12 Oct
- £55
- Sun 12 Oct
- £55
Minehead Triathlon
An award-winning coastal triathlon set among the safety of the sandy bay, featuring a fast bike route with Exmoor as the backdrop and a promenade run with beach finale!
- Families
- Newcomers
- Chip timing
- Enter online
- Event village
- Coast
- Age 14 & over
- 750 m sea swimming
- 20 km road cycling
- 5 km multi terrain running
- Sat 9 May 2026
- £195-£225
- Sat 9 May 2026
- £195-£225
THE ROC WALES
The totally unique ROC format, from Abersoch Bay to the top of Wales’ highest mountain and back. Swim, Bike, Mountain, Bike, Run; THE ROC WALES is triathlon - tough and redefined.
- Recycling
- Plastic bottle free
- Entertainment
- Music
- Chip timing
- Enter online
- Hilly
- Mountainous
- Event village
- Event expo
- Coast
- Mountains
- Sustainability policy
- Plastic-free event
- Age 18 & over
- 1.5 km sea swimming
- 100 km road cycling
- 13 km multi terrain running + 3330 ft ascent
- Sun 17 May 2026
- £82-£84
- Sun 17 May 2026
- £82-£84
Roadford Lake Triathlon | Standard
This triathlon returns for another successful year! It’s a superb swimming venue with quiet rolling roads for the bike course and a cracking run too. Plus there's lakeside camping available too.
- Chip timing
- Enter online
- Undulating
- Age 17 & over
- 1500 m lake swimming
- 46 km road cycling
- 10 km road running
- Sun 15 Jun
Alderford Triathlon | Olympic & Relay
- 1500 m lake swimming
- 40 km road cycling
- 10 km trail running
- Sun 15 Jun
Alderford Triathlon | Sprint & Relay
- 750 m lake swimming
- 20 km road cycling
- 5 km trail running
- Sun 29 Jun
Ultimate Quarter Triathlon
- 0.6 mile pool swimming
- 28 miles road cycling
- 6.5 miles road running
- Sun 29 Jun
The Northumbrian | Full Iron Distance
- 2.4 miles lake swimming
- 112 miles road cycling
- 26.2 miles trail running
- Sun 29 Jun
The Northumbrian | Half Iron Distance
- 1.2 miles lake swimming
- 56 miles road cycling
- 13.1 miles trail running
- Sun 29 Jun
Ultimate Triathlon
- 2.4 miles lake swimming
- 112 miles road cycling
- 26.2 miles road running
- Sun 29 Jun
Ultimate Half Triathlon
- 1.2 miles lake swimming
- 56 miles road cycling
- 13.1 miles road running
- Sat 19 Jul
Birmingham Triathlon | Olympic & Relay
- 1500 km lake swimming
- 40 km road cycling
- 10 km trail running
- Sat 19 Jul
Birmingham Triathlon | Sprint & Relay
- 750 m lake swimming
- 20 km road cycling
- 5 km trail running
- Sun 10 Aug
London T100 | Olympic
- 1.5 km dock swimming
- 40 km road cycling
- 10 km road running
- Sun 17 Aug
York Triathlon | CRUK Wave and Relay
- 200 m pool swimming
- 9 km road cycling
- 2.5 km road running
- Sun 17 Aug
York Triathlon | Sprint and Relay
- 400 m pool swimming
- 20 km road cycling
- 5 km road running
- Sun 31 Aug
Shropshire Triathlon | Middle Distance and Relay
- 2 km lake swimming
- 78 km road cycling
- 20 km road running
- Sun 31 Aug
Shropshire Triathlon | Olympic and Relay
- 1.5 km lake swimming
- 39 km road cycling
- 10 km road running
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