Kids triathlons in South East
Find kids triathlons near me in South East 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.

- Sun 8 Jun
- Sun 8 Jun
Eastbourne Triathlon | Youth Super Sprint
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
- 400 m pool swimming
- 9 km road cycling
- 2.4 km road running

- Sat 27 Sep
- £35-£60
- Sat 27 Sep
- £35-£60
Hever Castle Triathlon and Multisport Festival | Triathlon 9-10 years
Get the family active in the award-winning castle grounds in a triathlon for all abilities - even beginners then celebrate with friends and family 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

- Sun 28 Sep
- £45-£60
- Sun 28 Sep
- £45-£60
Hever Castle Triathlon and Multisport Festival | Triathlon 13-14 years
Get the family active in the award-winning castle grounds in a triathlon for all abilities - even beginners then celebrate with friends and family in the festival village.
- Chip timing
- Enter online
- Age 13-14
- 400 m lake swimming
- 8.4 km road cycling
- 2.5 km road running

- Sun 28 Sep
- £40-£60
- Sun 28 Sep
- £40-£60
Hever Castle Triathlon and Multisport Festival | Triathlon 11-12 years
Get the family active in the award-winning castle grounds in a triathlon for all abilities - even beginners then celebrate with friends and family in the festival village.
- Chip timing
- Enter online
- Age 11-12
- 300 m lake swimming
- 4.2 km road cycling
- 1.8 km road running

- Sun 28 Sep
- £50-£60
- Sun 28 Sep
- £50-£60
Hever Castle Triathlon and Multisport Festival | Triathlon 15-16 years
Get active in the award-winning castle grounds in a triathlon for all abilities - even beginners - then celebrate with friends, family and other athletes in the festival village.
- Chip timing
- Enter online
- Age 15-16
- 500 m lake swimming
- 8.4 km road cycling
- 2.5 km road running
- Sat 31 May
Henley Kids Fun Triathlon | TIN
- 10 m pool swimming
- 1 km mountain biking
- 500 m trail running
- Sat 31 May
Henley Kids Fun Triathlon | GOLD
- 150 m pool swimming
- 4 km mountain biking
- 2500 m trail running
- Sat 31 May
Henley Kids Fun Triathlon | GOLD Relay
- 150 m pool swimming
- 4 km mountain biking
- 2500 m trail running
- Sat 31 May
Henley Kids Fun Triathlon | SILVER
- 100 m pool swimming
- 4 km mountain biking
- 2000 m trail running
- Sat 31 May
Henley Kids Fun Triathlon | STEEL
- 50 m pool swimming
- 2 km mountain biking
- 1000 m trail running
- Sat 31 May
Henley Kids Fun Triathlon | BRONZE
- 50 m pool swimming
- 3 km mountain biking
- 1500 m trail running
- Sat 31 May
Henley Kids Fun Triathlon | BRONZE Relay
- 50 m pool swimming
- 3 km mountain biking
- 1500 m trail running
- Sat 31 May
Henley Kids Fun Triathlon | ZINC Relay
- 25 m pool swimming
- 1 km mountain biking
- 500 m trail running
- Sat 31 May
Henley Kids Fun Triathlon | ZINC
- 25 m pool swimming
- 1 km mountain biking
- 500 m trail running
- Sun 31 Aug
Brighton and Hove Triathlon | TriStar Start
- 100 m sea swimming
- 1.5 km road cycling
- 600 m road running
- Sun 31 Aug
Brighton and Hove Triathlon | TriStar 1
- 200 m sea swimming
- 4 km road cycling
- 1.2 km road running
- Sun 31 Aug
Brighton and Hove Triathlon | TriStar 2
- 300 m sea swimming
- 4 km road cycling
- 1.8 km road running
- Sun 31 Aug
Brighton and Hove Triathlon | TriStar 3
- 400 m sea swimming
- 8 km road cycling
- 2.4 km road running