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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.

Get active in the beautiful grounds and surrounding area of stunning Cheshire in a Sprint Plus Triathlon! Bring your friends and celebrate completing your challenge in the festival village.
  • Sat 21 Jun
  • £115-£155
  • Sat 21 Jun
  • £115-£155
Malpas, Cheshire, UK

Cholmondeley Castle | Sprint Plus Triathlon

Get active in the beautiful grounds and surrounding area of stunning Cheshire in a Sprint Plus Triathlon! Bring your friends and celebrate completing your challenge in the festival village.

  • Chip timing
  • Enter online
  • Age 17 & over
  • 800 m lake swimming
  • 42 km road cycling
  • 8 km road running
Get active in the beautiful grounds and surrounding area of stunning Cheshire in a Sprint Triathlon! Bring your friends and celebrate completing your challenge in the festival village.
  • Sat 21 Jun
  • £100-£150
  • Sat 21 Jun
  • £100-£150
Malpas, Cheshire, UK

Cholmondeley Castle | Sprint Triathlon

Get active in the beautiful grounds and surrounding area of stunning Cheshire in a Sprint Triathlon! Bring your friends and celebrate completing your challenge in the festival village.

  • Chip timing
  • Enter online
  • Age 15 & over
  • 750 m lake swimming
  • 28 km road cycling
  • 5 km road running
Get active in the beautiful grounds and surrounding area of stunning Cheshire in a Super Sprint Triathlon! Bring your friends and celebrate completing your challenge in the festival village.
  • Sat 21 Jun
  • £95-£145
  • Sat 21 Jun
  • £95-£145
Malpas, Cheshire, UK

Cholmondeley Castle | Super Sprint Triathlon

Get active in the beautiful grounds and surrounding area of stunning Cheshire in a Super Sprint Triathlon! Bring your friends and celebrate completing your challenge in the festival village.

  • Chip timing
  • Enter online
  • Age 15 & over
  • 400 m lake swimming
  • 28 km road cycling
  • 4 km road running
Get active in the beautiful grounds and surrounding area of stunning Cheshire in a Starter Triathlon! Bring your friends and celebrate completing your challenge in the festival village.
  • Sat 21 Jun
  • £80-£120
  • Sat 21 Jun
  • £80-£120
Malpas, Cheshire, UK

Cholmondeley Castle | Starter Triathlon

Get active in the beautiful grounds and surrounding area of stunning Cheshire in a Starter Triathlon! Bring your friends and celebrate completing your challenge in the festival village.

  • Chip timing
  • Enter online
  • Age 15 & over
  • 200 m lake swimming
  • 14 km road cycling
  • 2.5 km road running
Get active in the beautiful castle grounds in an event for all levels - even beginners. Bring your friends and celebrate completing your challenge in the festival village.
  • Sat 21 Jun
  • £50-£60
  • Sat 21 Jun
  • £50-£60
Malpas, Cheshire, UK

Cholmondeley Castle | Triathlon 15-16 years

Get active in the beautiful castle grounds in an event for all levels - even beginners. Bring your friends and celebrate completing your challenge in the festival village.

  • Chip timing
  • Enter online
  • Age 15-16
  • 500 m lake swimming
  • 8.4 km road cycling
  • 2.2 km road running
Get the family active in the beautiful castle grounds in an event for all levels - even beginners. Bring your friends and celebrate completing your challenge in the festival village.
  • Sat 21 Jun
  • £40-£60
  • Sat 21 Jun
  • £40-£60
Malpas, Cheshire, UK

Cholmondeley Castle | Triathlon 11-12 years

Get the family active in the beautiful castle grounds in an event for all levels - even beginners. Bring your friends and celebrate completing your challenge in the festival village.

  • Chip timing
  • Enter online
  • Age 11-12
  • 300 m lake swimming
  • 4.2 km road cycling
  • 1.6 km road running
Get the family active in the beautiful castle grounds in an event for all levels - even beginners. Bring your friends and celebrate completing your challenge in the festival village.
  • Sat 21 Jun
  • £45-£60
  • Sat 21 Jun
  • £45-£60
Malpas, Cheshire, UK

Cholmondeley Castle | Triathlon 13-14 years

Get the family active in the beautiful castle grounds in an event for all levels - even beginners. Bring your friends and celebrate completing your challenge in the festival village.

  • Chip timing
  • Enter online
  • Age 13-14
  • 400 m lake swimming
  • 8.4 km road cycling
  • 2.2 km road running
Get active in the beautiful grounds and surrounding area of stunning Cheshire in the Friendly Mixed Team Relay! Bring your friends and celebrate completing your challenge in the festival village.
  • Sat 21 Jun
  • £140
  • Sat 21 Jun
  • £140
Malpas, Cheshire, UK

Cholmondeley Castle | Friendly Mixed Team Relay Triathlon

Get active in the beautiful grounds and surrounding area of stunning Cheshire in the Friendly Mixed Team Relay! Bring your friends and celebrate completing your challenge in the festival village.

  • Chip timing
  • Enter online
  • Age 14 & over
  • 250 m lake swimming
  • 5 km road cycling
  • 1.5 km road running
Get active in the beautiful grounds and surrounding area of stunning Cheshire in the Mixed Team Relay! Bring your friends and celebrate completing your challenge in the festival village.
  • Sat 21 Jun
  • £140
  • Sat 21 Jun
  • £140
Malpas, Cheshire, UK

Cholmondeley Castle | Mixed Team Relay Triathlon

Get active in the beautiful grounds and surrounding area of stunning Cheshire in the Mixed Team Relay! Bring your friends and celebrate completing your challenge in the festival village.

  • Chip timing
  • Enter online
  • Age 14 & over
  • 250 m lake swimming
  • 5 km road cycling
  • 1.5 km road running
Entries closed
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
  • £249.99
  • Entries closed
  • Sun 22 Jun
  • £249.99
  • Entries closed
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
  • 90 km road cycling + 1059 ft ascent
  • 21.8 km road running + 311 ft ascent
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
  • £120.99
  • Sun 22 Jun
  • £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 + 146 m ascent
  • 9 km road running + 111 ft ascent
Entries closed
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
  • £120.99-£140.99
  • Entries closed
  • Sun 22 Jun
  • £120.99-£140.99
  • Entries closed
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 18 & over
  • 1500 m lake swimming
  • 40 km road cycling + 479 ft ascent
  • 9 km road running + 111 ft ascent
Get active in the beautiful grounds and surrounding area of stunning Cheshire in the epic Gauntlet! Bring your friends and celebrate completing your challenge in the festival village.
  • Sun 22 Jun
  • £245-£295
  • Sun 22 Jun
  • £245-£295
Malpas, Cheshire, UK

Cholmondeley Castle | Gauntlet Triathlon

Get active in the beautiful grounds and surrounding area of stunning Cheshire in the epic Gauntlet! Bring your friends and celebrate completing your challenge in the festival village.

  • Chip timing
  • Enter online
  • Age 18 & over
  • 1.9 km lake swimming
  • 84 km road cycling
  • 21 km road running
Entries closed
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
  • £103.99-£123.99
  • Entries closed
  • Sun 22 Jun
  • £103.99-£123.99
  • Entries closed
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 18 & over
  • 750 m lake swimming
  • 20 km road cycling + 239 ft ascent
  • 4.7 km road running + 78 ft ascent
Entries closed
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
  • £93.99
  • Entries closed
  • Sun 22 Jun
  • £93.99
  • Entries closed
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 18 & over
  • 400 m lake swimming
  • 10 km road cycling + 111 ft ascent
  • 2.5 km road running + 42 ft ascent
Get active in the beautiful grounds and surrounding area of stunning Cheshire in the discipline of your choice! Bring your friends and celebrate completing your challenge in the festival village.
  • Sun 22 Jun
  • £125-£165
  • Sun 22 Jun
  • £125-£165
Malpas, Cheshire, UK

Cholmondeley Castle | Olympic Triathlon

Get active in the beautiful grounds and surrounding area of stunning Cheshire in the discipline of your choice! Bring your friends and celebrate completing your challenge in the festival village.

  • Chip timing
  • Enter online
  • Age 17 & over
  • 1.5 km lake swimming
  • 42 km road cycling
  • 10.5 km road running
Get active in the beautiful grounds and surrounding area of stunning Cheshire in the discipline of your choice! Bring your friends and celebrate completing your challenge in the festival village.
  • Sun 22 Jun
  • £40-£60
  • Sun 22 Jun
  • £40-£60
Malpas, Cheshire, UK

Cholmondeley Castle Triathlon and Multisport Festival | Triathlon 11-12 years

Get active in the beautiful grounds and surrounding area of stunning Cheshire in the discipline of your choice! Bring your friends and celebrate completing your challenge in the festival village.

  • Chip timing
  • Enter online
  • Age 11-12
  • 300 m lake swimming
  • 4.2 km road cycling
  • 1.6 km road running
Get the family active in the beautiful castle grounds in an event for all levels - even beginners. Bring your friends and celebrate completing your challenge in the festival village.
  • Sun 22 Jun
  • £35-£60
  • Sun 22 Jun
  • £35-£60
Malpas, Cheshire, UK

Cholmondeley Castle | Triathlon 9-10 years

Get the family active in the beautiful castle grounds in an event for all levels - even beginners. Bring your friends and celebrate completing your challenge in the festival village.

  • Chip timing
  • Enter online
  • Age 9-10
  • 200 m lake swimming
  • 4.2 km road cycling
  • 1.3 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
  • £20
  • Sat 28 Jun
  • £20
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 8-8
  • 100 m lake swimming
  • 1.5 km road cycling + 16 ft ascent
  • 600 m road running + 20 ft ascent
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
  • £31
  • Sat 28 Jun
  • £31
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 + 98 ft ascent
  • 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
  • £31
  • Sat 28 Jun
  • £31
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 + 79 ft ascent
  • 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
  • £31
  • Sat 28 Jun
  • £31
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 + 49 ft ascent
  • 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
  • £31
  • Sat 28 Jun
  • £31
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 + 49 ft ascent
  • 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
  • £75
  • Sun 29 Jun
  • £75
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
  • 40 km road cycling + 1312 ft ascent
  • 10 km road running + 250 ft ascent
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
  • £64
  • Sun 29 Jun
  • £64
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
  • 20 km road cycling + 656 ft ascent
  • 5 km road running + 135 ft ascent

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