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.
Search by month
Search by place
London
South East
South West
East of England
East Midlands
West Midlands
Yorkshire
North East
North West
Scotland
Wales
Events near me
Click an event for full event details, location, route, sustainability, what's included and how to enter.
- Sat 21 Jun
- £115-£155
- Sat 21 Jun
- £115-£155
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
- Sat 21 Jun
- £100-£150
- Sat 21 Jun
- £100-£150
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
- Sat 21 Jun
- £95-£145
- Sat 21 Jun
- £95-£145
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
- Sat 21 Jun
- £80-£120
- Sat 21 Jun
- £80-£120
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
- Sat 21 Jun
- £50-£60
- Sat 21 Jun
- £50-£60
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
- Sat 21 Jun
- £40-£60
- Sat 21 Jun
- £40-£60
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
- Sat 21 Jun
- £45-£60
- Sat 21 Jun
- £45-£60
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
- Sat 21 Jun
- £140
- Sat 21 Jun
- £140
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
- Sat 21 Jun
- £140
- Sat 21 Jun
- £140
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
- Sun 22 Jun
- £249.99
- Entries closed
- Sun 22 Jun
- £249.99
- Entries closed
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
- Sun 22 Jun
- £120.99
- Sun 22 Jun
- £120.99
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
- Sun 22 Jun
- £120.99-£140.99
- Entries closed
- Sun 22 Jun
- £120.99-£140.99
- Entries closed
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
- Sun 22 Jun
- £245-£295
- Sun 22 Jun
- £245-£295
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
- Sun 22 Jun
- £103.99-£123.99
- Entries closed
- Sun 22 Jun
- £103.99-£123.99
- Entries closed
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
- Sun 22 Jun
- £93.99
- Entries closed
- Sun 22 Jun
- £93.99
- Entries closed
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
- Sun 22 Jun
- £125-£165
- Sun 22 Jun
- £125-£165
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
- Sun 22 Jun
- £40-£60
- Sun 22 Jun
- £40-£60
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
- Sun 22 Jun
- £35-£60
- Sun 22 Jun
- £35-£60
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
- Sat 28 Jun
- £20
- Sat 28 Jun
- £20
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
- Sat 28 Jun
- £31
- Sat 28 Jun
- £31
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
- Sat 28 Jun
- £31
- Sat 28 Jun
- £31
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
- Sat 28 Jun
- £31
- Sat 28 Jun
- £31
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
- Sat 28 Jun
- £31
- Sat 28 Jun
- £31
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
- Sun 29 Jun
- £75
- Sun 29 Jun
- £75
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
- Sun 29 Jun
- £64
- Sun 29 Jun
- £64
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
Search by month
Search by place
London
South East
South West
East of England
East Midlands
West Midlands
Yorkshire
North East
North West
Scotland
Wales