Triathlons in UK
Find 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 13 Sep
- £73
- Sat 13 Sep
- £73
ATW Grafham Sprint Triathlon
Get involved in this Grafham Triathlon, brought to you by the largest triathlon organiser in the UK!
- Chip timing
- Enter online
- Flat
- Age 15 & over
- 750 m lake swimming
- 17 km road cycling
- 5 km road running
- Sat 13 Sep
- £94-£115
- Sat 13 Sep
- £94-£115
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
- Sun 14 Sep
- Sun 14 Sep
IRONMAN 70.3 Weymouth
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
- Flat
- Traffic free
- Event village
- Coast
- Age 18 & over
- 1.2 miles sea swimming
- 56 miles road cycling
- 13.1 miles road running
- Sun 14 Sep
- £83-£98
- Sun 14 Sep
- £83-£98
Aviemore Triathlon | Long Hard Durty
Join the Aviemore Triathlon in the beautiful Cairgorms and enjoy an open water swim in the cool, calm waters of Loch Morlich and enjoy mountain biking and running on the trails of Glenmore Forest.
- Chip timing
- Enter online
- Hilly
- Age 15 & over
- 1000 m lake swimming
- 18 km mountain biking
- 9 km trail running
- Sun 14 Sep
- £73-£88
- Sun 14 Sep
- £73-£88
Aviemore Triathlon | Short Fast Durty
Join the Aviemore Triathlon in the beautiful Cairgorms and enjoy an open water swim in the cool, calm waters of Loch Morlich and enjoy mountain biking and running on the trails of Glenmore Forest.
- Chip timing
- Enter online
- Age 15 & over
- 500 m lake swimming
- 12 km mountain biking
- 5 km trail running
- Sun 21 Sep
- £56
- Sun 21 Sep
- £56
Dawlish Triathlon | Sprint
Start with a sea swim then it’s onto the bikes for two laps of a relatively sheltered and flat bike circuit. Then take in the coast path for some stunning views as you approach the finish line.
- Chip timing
- Enter online
- Flat
- Age 15 & over
- 750 m sea swimming
- 24 km road cycling
- 5 km road running
- Sun 21 Sep
- £82-£97
- Sun 21 Sep
- £82-£97
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
- Sun 21 Sep
- £45
- Sun 21 Sep
- £45
Dawlish Triathlon | Super Sprint
Start with a sea swim then it’s onto the bikes for two laps of a relatively sheltered and flat bike circuit. Then take in the coast path for some stunning views as you approach the finish line.
- Chip timing
- Enter online
- Flat
- Age 15 & over
- 300 m sea swimming
- 16 km road cycling
- 5 km road running
- Sun 21 Sep
- £72-£87
- Sun 21 Sep
- £72-£87
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
- Sun 21 Sep
- £62-£77
- Sun 21 Sep
- £62-£77
Eton Dorney Super Sprint Triathlon
The Olympic venue, Eton Dorney, offers pan-flat, traffic-free roads and a beautiful clear lake for Super Sprint triathletes to enjoy in an exclusive setting.
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Age 15 & over
- 450 m lake swimming
- 10 km road cycling
- 2.5 km trail running
- Sun 21 Sep
- £94-£115
- Sun 21 Sep
- £94-£115
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
- Sun 21 Sep
- £155-£175
- Sun 21 Sep
- £155-£175
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
- Sun 21 Sep
- £73-£94
- Sun 21 Sep
- £73-£94
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
- 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
- £58
- Sat 27 Sep
- £58
Dorney Triathlon | September | Super 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
- 400 m lake swimming
- 10 km road cycling
- 2.5 km road running
- Sun 28 Sep
- £65
- Sun 28 Sep
- £65
Salcombe Brewery Co Sprint Triathlon
Taking place from the wonderful North Sands, put your endurance to the test with a sociable and challenging seaside triathlon, to finish with a Salcombe Sprint Triathlon medal!
- Newcomers
- Enter online
- Event village
- Coast
- Fundraising optional
- Age 18 & over
- 700 m sea swimming
- 19 km road cycling
- 3 km trail running
- 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 5 Oct
- £23-£24
- Sun 5 Oct
- £23-£24
Torbay Triathlon Autumn | Tristar 3
A totally traffic free festival of triathlon offering both junior and senior distance options on the English Riviera. Pool swimming along with tarmac cycling and a parkland run, with a great medal.
- Chip timing
- Enter online
- Flat
- Traffic free
- Age 13-14
- 300 m pool swimming
- 7.5 km road cycling
- 2.5 km multi terrain running
- Sun 5 Oct
- £28
- Sun 5 Oct
- £28
Torbay Triathlon Autumn | Super Sprint
A totally traffic free festival of triathlon offering both junior and senior distance options on the English Riviera. Pool swimming along with tarmac cycling and a parkland run, with a great medal.
- Chip timing
- Enter online
- Flat
- Traffic free
- Age 15 & over
- 300 m pool swimming
- 9 km road cycling
- 2.5 km multi terrain running
- Sun 5 Oct
- £26
- Sun 5 Oct
- £26
Torbay Triathlon Autumn | Novice
A totally traffic free festival of triathlon offering both junior and senior distance options on the English Riviera. Pool swimming along with tarmac cycling and a parkland run, with a great medal.
- Chip timing
- Enter online
- Flat
- Traffic free
- Age 15 & over
- 200 m pool swimming
- 9 km road cycling
- 2.5 km road running
- Sun 5 Oct
- £24
- Sun 5 Oct
- £24
Torbay Triathlon Autumn | Novice Kids 11-14
A totally traffic free festival of triathlon offering both junior and senior distance options on the English Riviera. Pool swimming along with tarmac cycling and a parkland run, with a great medal.
- Chip timing
- Enter online
- Flat
- Traffic free
- Age 11-14
- 200 m pool swimming
- 6 km road cycling
- 1.9 km multi terrain running
- Sun 5 Oct
- £23-£24
- Sun 5 Oct
- £23-£24
Torbay Triathlon Autumn | Tristar 2
A totally traffic free festival of triathlon offering both junior and senior distance options on the English Riviera. Pool swimming along with tarmac cycling and a parkland run, with a great medal.
- Chip timing
- Enter online
- Flat
- Traffic free
- Age 11-12
- 200 m pool swimming
- 6 km road cycling
- 1.8 km multi terrain running
- Sun 5 Oct
- £23-£24
- Sun 5 Oct
- £23-£24
Torbay Triathlon Autumn | Tristar 1
A totally traffic free festival of triathlon offering both junior and senior distance options on the English Riviera. Pool swimming along with tarmac cycling and a parkland run, with a great medal.
- Chip timing
- Enter online
- Flat
- Traffic free
- Age 9-10
- 150 m pool swimming
- 3 km road cycling
- 1.3 km multi terrain running
- Sun 5 Oct
- £19
- Sun 5 Oct
- £19
Torbay Triathlon Autumn | Novice Kids 9-10
A totally traffic free festival of triathlon offering both junior and senior distance options on the English Riviera. Pool swimming along with tarmac cycling and a parkland run, with a great medal.
- Chip timing
- Enter online
- Flat
- Traffic free
- Age 9-10
- 50 m pool swimming
- 1.5 km road cycling
- 650 m multi terrain running
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London
South East
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East of England
East Midlands
West Midlands
Yorkshire
North East
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Scotland
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