156

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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Click an event for full event details, location, route, sustainability, what's included and how to enter.

Located at the Stewartby Sailing Club this venue is perfect for triathlon and was host to a sold-out GB team qualifier event in 2023, with probably the fastest bike leg in the country!
  • Sun 15 Jun
  • £73-£95
  • Sun 15 Jun
  • £73-£95
Bedford, Bedfordshire, UK

ATW Stewartby Lake Sprint Triathlon

Located at the Stewartby Sailing Club this venue is perfect for triathlon and was host to a sold-out GB team qualifier event in 2023, with probably the fastest bike leg in the country!

  • Enter online
  • Flat
  • Traffic free
  • Age 15 & over
  • 750 m lake swimming
  • 20 km road cycling
  • 5 km road running
Located at the Stewartby Sailing Club this venue is perfect for triathlon and was host to a sold-out GB team qualifier event in 2023, with probably the fastest bike leg in the country!
  • Sun 15 Jun
  • £94-£115
  • Sun 15 Jun
  • £94-£115
Bedford, Bedfordshire, UK

ATW Stewartby Lake Standard Triathlon

Located at the Stewartby Sailing Club this venue is perfect for triathlon and was host to a sold-out GB team qualifier event in 2023, with probably the fastest bike leg in the country!

  • Enter online
  • Flat
  • Traffic free
  • Age 17 & over
  • 1500 m lake swimming
  • 37 km road cycling
  • 10 km road running
Previously known as Mount Edgcumbe Triathlon, triathletes of all abilities can experience a truly exceptional coastal venue, finishers medal, t-shirt and fun day out at a fantastic event.
  • Sun 15 Jun
  • £36
  • Sun 15 Jun
  • £36
Torpoint, Cornwall, UK

Plymouth Triathlon | Tristar 3

Previously known as Mount Edgcumbe Triathlon, triathletes of all abilities can experience a truly exceptional coastal venue, finishers medal, t-shirt and fun day out at a fantastic event.

  • Chip timing
  • Enter online
  • Age 13-14
  • 300 m sea swimming
  • 8 km road cycling
  • 2.5 km trail running
Previously known as Mount Edgcumbe Triathlon, triathletes of all abilities can experience a truly exceptional coastal venue, finishers medal, t-shirt and fun day out at a fantastic event.
  • Sun 15 Jun
  • £36
  • Sun 15 Jun
  • £36
Torpoint, Cornwall, UK

Plymouth Triathlon | Tristar 2

Previously known as Mount Edgcumbe Triathlon, triathletes of all abilities can experience a truly exceptional coastal venue, finishers medal, t-shirt and fun day out at a fantastic event.

  • Chip timing
  • Enter online
  • Age 11-12
  • 200 m sea swimming
  • 4 km road cycling
  • 1.5 km trail running
Previously known as Mount Edgcumbe Triathlon, triathletes of all abilities can experience a truly exceptional coastal venue, finishers medal, t-shirt and fun day out at a fantastic event.
  • Sun 15 Jun
  • £36
  • Sun 15 Jun
  • £36
Torpoint, Cornwall, UK

Plymouth Triathlon | Tristar 1

Previously known as Mount Edgcumbe Triathlon, triathletes of all abilities can experience a truly exceptional coastal venue, finishers medal, t-shirt and fun day out at a fantastic event.

  • Chip timing
  • Enter online
  • Age 9-10
  • 200 m sea swimming
  • 2 km road cycling
  • 1 km trail running
Situated in the renowned Cardiff Bay, this event stands out as a truly memorable city race. The event village and transition area are on Roald Dahl Plass in front of the Wales Millenium Centre.
  • Sun 22 Jun
  • £229.99-£249.99
  • Sun 22 Jun
  • £229.99-£249.99
Cardiff, UK

Cardiff Legend (70.3) Triathlon

Situated in the renowned Cardiff Bay, this event stands out as a truly memorable city race. The event village and transition area are on Roald Dahl Plass in front of the Wales Millenium Centre.

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 18 & over
  • 1900 m lake swimming
  • 88 km road cycling
  • 21.8 km road running
Situated in the renowned Cardiff Bay, this event stands out as a truly memorable city race. The event village and transition area are on Roald Dahl Plass in front of the Wales Millenium Centre.
  • Sun 22 Jun
  • £115.99-£120.99
  • Sun 22 Jun
  • £115.99-£120.99
Cardiff, UK

Cardiff Standard Triathlon (World Championship Qualifier)

Situated in the renowned Cardiff Bay, this event stands out as a truly memorable city race. The event village and transition area are on Roald Dahl Plass in front of the Wales Millenium Centre.

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 17 & over
  • 1500 m lake swimming
  • 40 km road cycling
  • 9 km road running
Situated in the renowned Cardiff Bay, this event stands out as a truly memorable city race. The event village and transition area are on Roald Dahl Plass in front of the Wales Millenium Centre.
  • Sun 22 Jun
  • £115.99-£140.99
  • Sun 22 Jun
  • £115.99-£140.99
Cardiff, UK

Cardiff Standard Triathlon (Non Qualifying)

Situated in the renowned Cardiff Bay, this event stands out as a truly memorable city race. The event village and transition area are on Roald Dahl Plass in front of the Wales Millenium Centre.

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 17 & over
  • 1500 m lake swimming
  • 37 km road cycling
  • 9 km road running
Situated in the renowned Cardiff Bay, this event stands out as a truly memorable city race. The event village and transition area are on Roald Dahl Plass in front of the Wales Millenium Centre.
  • Sun 22 Jun
  • £98.99-£123.99
  • Sun 22 Jun
  • £98.99-£123.99
Cardiff, UK

Cardiff Sprint Triathlon

Situated in the renowned Cardiff Bay, this event stands out as a truly memorable city race. The event village and transition area are on Roald Dahl Plass in front of the Wales Millenium Centre.

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 15 & over
  • 750 m lake swimming
  • 18.5 km road cycling
  • 4.7 km road running
Situated in the renowned Cardiff Bay, this event stands out as a truly memorable city race. The event village and transition area are on Roald Dahl Plass in front of the Wales Millenium Centre.
  • Sun 22 Jun
  • £88.99-£93.99
  • Sun 22 Jun
  • £88.99-£93.99
Cardiff, UK

Cardiff Super Sprint Triathlon

Situated in the renowned Cardiff Bay, this event stands out as a truly memorable city race. The event village and transition area are on Roald Dahl Plass in front of the Wales Millenium Centre.

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 15 & over
  • 400 m lake swimming
  • 9.3 km road cycling
  • 2.5 km road running
Mallory Park Junior Triathlon: Where Dreams Take Flight! Nurturing the next generation of triathletes, providing a safe and exhilarating environment for children to discover the thrill of multisports.
  • Sat 28 Jun
  • £18
  • Sat 28 Jun
  • £18
Kirkby Mallory, Leicestershire, UK

ATW Childrens Triathlon Mallory Park | Tristart

Mallory Park Junior Triathlon: Where Dreams Take Flight! Nurturing the next generation of triathletes, providing a safe and exhilarating environment for children to discover the thrill of multisports.

  • Enter online
  • Traffic free
  • Age 8-9
  • 100 m lake swimming
  • 1.5 km road cycling
  • 600 m road running
Mallory Park Junior Triathlon: Where Dreams Take Flight! Nurturing the next generation of triathletes, providing a safe and exhilarating environment for children to discover the thrill of multisports.
  • Sat 28 Jun
  • £29
  • Sat 28 Jun
  • £29
Kirkby Mallory, Leicestershire, UK

ATW Childrens Triathlon Mallory Park | Tristar 1

Mallory Park Junior Triathlon: Where Dreams Take Flight! Nurturing the next generation of triathletes, providing a safe and exhilarating environment for children to discover the thrill of multisports.

  • Enter online
  • Traffic free
  • Age 9-10
  • 200 m lake swimming
  • 4 km road cycling
  • 1.2 km road running
Mallory Park Junior Triathlon: Where Dreams Take Flight! Nurturing the next generation of triathletes, providing a safe and exhilarating environment for children to discover the thrill of multisports.
  • Sat 28 Jun
  • £29
  • Sat 28 Jun
  • £29
Kirkby Mallory, Leicestershire, UK

ATW Childrens Triathlon Mallory Park | Tristar 2

Mallory Park Junior Triathlon: Where Dreams Take Flight! Nurturing the next generation of triathletes, providing a safe and exhilarating environment for children to discover the thrill of multisports.

  • Enter online
  • Traffic free
  • Age 11-12
  • 300 m lake swimming
  • 6 km road cycling
  • 1.8 km road running
Mallory Park Junior Triathlon: Where Dreams Take Flight! Nurturing the next generation of triathletes, providing a safe and exhilarating environment for children to discover the thrill of multisports.
  • Sat 28 Jun
  • £29
  • Sat 28 Jun
  • £29
Kirkby Mallory, Leicestershire, UK

ATW Childrens Triathlon Mallory Park | Tristar 3

Mallory Park Junior Triathlon: Where Dreams Take Flight! Nurturing the next generation of triathletes, providing a safe and exhilarating environment for children to discover the thrill of multisports.

  • Enter online
  • Traffic free
  • Age 13-14
  • 500 m lake swimming
  • 8 km road cycling
  • 2.4 km road running
Mallory Park Junior Triathlon: Where Dreams Take Flight! Nurturing the next generation of triathletes, providing a safe and exhilarating environment for children to discover the thrill of multisports.
  • Sat 28 Jun
  • £29
  • Sat 28 Jun
  • £29
Kirkby Mallory, Leicestershire, UK

ATW Childrens Triathlon Mallory Park | Youth

Mallory Park Junior Triathlon: Where Dreams Take Flight! Nurturing the next generation of triathletes, providing a safe and exhilarating environment for children to discover the thrill of multisports.

  • Enter online
  • Traffic free
  • Age 15-16
  • 500 m lake swimming
  • 8 km road cycling
  • 2.4 km road running
Start with a great sea swim in warm waters then on to the bikes for a closed road and flat bike leg. Finally there's a run with views of the sea. Torre Abbey Sands has excellent water quality.
  • Sun 29 Jun
  • £79
  • Sun 29 Jun
  • £79
Torquay, Devon, UK

English Riviera Triathlon | Standard

Start with a great sea swim in warm waters then on to the bikes for a closed road and flat bike leg. Finally there's a run with views of the sea. Torre Abbey Sands has excellent water quality.

  • Chip timing
  • Enter online
  • Undulating
  • Age 17 & over
  • 1500 m sea swimming
  • 38.5 km road cycling
  • 10 km trail running
Start with a great sea swim in warm waters then on to the bikes for a closed road and flat bike leg. Finally there's a run with views of the sea. Torre Abbey Sands has excellent water quality.
  • Sun 29 Jun
  • £66
  • Sun 29 Jun
  • £66
Torquay, Devon, UK

English Riviera Triathlon | Sprint

Start with a great sea swim in warm waters then on to the bikes for a closed road and flat bike leg. Finally there's a run with views of the sea. Torre Abbey Sands has excellent water quality.

  • Chip timing
  • Enter online
  • Undulating
  • Age 15 & over
  • 750 m sea swimming
  • 19.25 km road cycling
  • 5 km trail running
Start with a great sea swim in warm waters then on to the bikes for a closed road and flat bike leg. Finally there's a run with views of the sea. Torre Abbey Sands has excellent water quality.
  • Sun 29 Jun
  • £30
  • Sun 29 Jun
  • £30
Torquay, Devon, UK

English Riviera Triathlon | TriStar 2

Start with a great sea swim in warm waters then on to the bikes for a closed road and flat bike leg. Finally there's a run with views of the sea. Torre Abbey Sands has excellent water quality.

  • Chip timing
  • Enter online
  • Undulating
  • Age 11-12
  • 300 m sea swimming
  • 4 km road cycling
  • 2 km road running
Start with a great sea swim in warm waters then on to the bikes for a closed road and flat bike leg. Finally there's a run with views of the sea. Torre Abbey Sands has excellent water quality.
  • Sun 29 Jun
  • £30
  • Sun 29 Jun
  • £30
Torquay, Devon, UK

English Riviera Triathlon | TriStar 3

Start with a great sea swim in warm waters then on to the bikes for a closed road and flat bike leg. Finally there's a run with views of the sea. Torre Abbey Sands has excellent water quality.

  • Chip timing
  • Enter online
  • Undulating
  • Age 13-14
  • 300 m sea swimming
  • 8 km road cycling
  • 2.5 km road running
Start with a great sea swim in warm waters then on to the bikes for a closed road and flat bike leg. Finally there's a run with views of the sea. Torre Abbey Sands has excellent water quality.
  • Sun 29 Jun
  • £42
  • Sun 29 Jun
  • £42
Torquay, Devon, UK

English Riviera Triathlon | Super Sprint

Start with a great sea swim in warm waters then on to the bikes for a closed road and flat bike leg. Finally there's a run with views of the sea. Torre Abbey Sands has excellent water quality.

  • Chip timing
  • Enter online
  • Undulating
  • Age 15 & over
  • 300 m sea swimming
  • 12 km road cycling
  • 2.5 km road running
Mallory Park Triathlon Extravaganza: A Traffic-Free Triumph! A thrilling and safe circuit nestled in picturesque surroundings, boasting its own self-enclosed swim lake for a Sprint Tri.
  • Sun 29 Jun
  • £78-£98
  • Sun 29 Jun
  • £78-£98
Kirkby Mallory, Leicestershire, UK

ATW Sprint Triathlon | Mallory Park

Mallory Park Triathlon Extravaganza: A Traffic-Free Triumph! A thrilling and safe circuit nestled in picturesque surroundings, boasting its own self-enclosed swim lake for a Sprint Tri.

  • Enter online
  • Flat
  • Traffic free
  • Age 15 & over
  • 750 m lake swimming
  • 20 km road cycling
  • 5 km road running
Mallory Park Triathlon Extravaganza: A Traffic-Free Triumph! A thrilling and safe race circuit nestled in picturesque surroundings, boasting its own self-enclosed swim lake for a Super Sprint Tri.
  • Sun 29 Jun
  • £58
  • Sun 29 Jun
  • £58
Kirkby Mallory, Leicestershire, UK

ATW Super Sprint Triathlon | Mallory Park

Mallory Park Triathlon Extravaganza: A Traffic-Free Triumph! A thrilling and safe race circuit nestled in picturesque surroundings, boasting its own self-enclosed swim lake for a Super Sprint Tri.

  • Enter online
  • Flat
  • Traffic free
  • Age 15 & over
  • 400 m lake swimming
  • 10 km road cycling
  • 2.5 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.
  • Wed 2 Jul
  • £58
  • Wed 2 Jul
  • £58
Windsor, Buckinghamshire, UK

Midweek Dorney Super 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
  • Traffic free
  • Age 15 & over
  • 400 m lake swimming
  • 10 km road cycling
  • 2.5 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.
  • Wed 2 Jul
  • £78
  • Wed 2 Jul
  • £78
Windsor, Buckinghamshire, UK

Midweek 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
  • Traffic free
  • Age 15 & over
  • 750 m lake swimming
  • 20 km road cycling
  • 5 km road running
Complete your own Odyssey on a journey of self-discovery in the Cambridgeshire countryside featuring a swim in the River Ouse, a scenic ride and a run around the beautiful town of St Neots.
  • Sat 5 Jul
  • £275-£295
  • Sat 5 Jul
  • £275-£295
Saint Neots, Cambridgeshire, UK

ATW Odyssey Full Distance Triathlon

Complete your own Odyssey on a journey of self-discovery in the Cambridgeshire countryside featuring a swim in the River Ouse, a scenic ride and a run around the beautiful town of St Neots.

  • Enter online
  • Undulating
  • Age 19 & over
  • 3.8 km river swimming
  • 180 km road cycling
  • 26.2 miles road running

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