Kids triathlons in UK in Summer
Find kids triathlons in UK in Summer - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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- Sat 20 - Sun 21 Jun 2026
- £28-£245
Cholmondeley Castle Triathlon and Multisport Festival
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.
- Families
- Newcomers
- Entertainment
- Music
- Event village
- Park
- Rural
- Age 9 & over
- Relay triathlon 2
- Kids triathlon 5
- Novice triathlon
- Super sprint triathlon
- Sprint triathlon 2
- + 13 more races
- Sat 27 Jun 2026
- £18-£29
ATW Childrens Triathlon Mallory Park
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.
- Families
- Newcomers
- Event village
- Park
- Age 8-16
- Kids triathlon 5
- Sun 5 Jul 2026
- £36-£75
English Riviera Triathlon
Fast, exciting, spectator-friendly racing in the centre of Torquay! Swim from the sheltered Torre Abbey Sands beach, ride a fast and flattish closed-road circuit and run by the sea.
- Families
- Trees not tees
- Recycling
- Newcomers
- Plastic bottle free
- Coast
- Sustainability policy
- Age 11 & over
- Sprint triathlon
- Olympic triathlon
- Super sprint triathlon
- Kids triathlon 2
- Sat 11 - Sun 12 Jul 2026
- £20-£100
Ripon Triathlon Festival
A family-friendly event in partnership with the Brownlee Foundation, for triathletes of all skill levels including a Sprint, Standard, Middle distance tri, Swims, Aquabike, Relay and Juniors.
- Families
- Newcomers
- Dogs allowed at venue
- Entertainment
- Event village
- Urban
- Rural
- Free venue entry
- Age 8 & over
- Sprint triathlon
- Sprint aquabike
- Lake swim 4
- Standard aquabike
- Olympic triathlon
- + 3 more races
- Sun 12 Jul 2026
- £59
Eastbourne Triathlon and Multisport Festival | Youth Super-Sprint Triathlon
The Youth Super Sprint Triathlon is an exciting part of the renowned Eastbourne Triathlon weekend and is for age 15-16 year olds of all abilities. Come and have a go or improve your time!
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 15-16
- 300 m sea swimming
- 10 km road cycling + 160 m ascent
- 2.5 km road running
- Sat 18 - Sun 19 Jul 2026
- £28-£245
Belvoir Castle Triathlon and Multisport Festival
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in the discipline of your choice! Celebrate in the festival village afterwards.
- Families
- Newcomers
- Event village
- Rural
- Age 9 & over
- Kids triathlon 4
- Super sprint triathlon
- Sprint triathlon 2
- Olympic triathlon
- Half Ironman
- + 14 more races
- Sun 16 Aug 2026
- £22-£31
ATW Oundle Children’s Triathlon
A fun, friendly and fully supported triathlon for children of all abilities — perfect for first-timers looking to experience the thrill of swim, bike and run in Oundle.
- Families
- Newcomers
- Event village
- Age 8-16
- Kids triathlon 5
- Sat 29 Aug 2026
Staffin Triathlon and 10K
- Kids triathlon 4
- Novice triathlon
- Super sprint triathlon
- Sprint triathlon
- 10K run