Kids triathlons for youths in UK in Summer
Find kids triathlons for youths in UK in Summer - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
Filter by date
Filter by place
Filter by category
MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sat 20 Jun 2026
- £40-£50
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 27 Jun 2026
- £29
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
- Sat 11 Jul 2026
- £27.50-£30
Ripon Triathlon Festival | Youth
Ripon is unique as the only open-water junior racing in the Yorkshire series! So give your juniors the most exciting triathlon experience this year. Bike and run are traffic-free on grass surface.
- Enter online
- Flat
- Traffic free
- Age 15-16
- 500 m lake swimming
- 6000 m mountain biking
- 2400 m multi terrain running
- 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
- Sun 19 Jul 2026
- £40-£50
Belvoir Castle | Triathlon 15-16 years
Race through the beautiful castle grounds in an event for all levels - even beginners. Recruit your friends to join in too then celebrate afterwards in the festival village.
- Chip timing
- Enter online
- Age 15-16
- 500 m lake swimming
- 8 km road cycling
- 2.4 km road running
- Sun 16 Aug 2026
- £31
ATW Oundle Children’s Triathlon | Youth
A fun, friendly and fully supported triathlon for youth of all abilities — perfect for first-timers looking to experience the thrill of swim, bike and run in Oundle.
- Chip timing
- Enter online
- Age 15-16
- 400 m pool swimming
- 8 km mountain biking
- 3 km trail running + 3 ft ascent