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Kids triathlons in UK in July 2025

Find kids triathlons near me in UK in July 2025 - filter by date or location, display on a map or use the advanced search to find your perfect race.

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Select an event for photos, video, route, location, reviews, entry fees and how to enter.

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 19 Jul
  • £40-£60
  • Sat 19 Jul
  • £40-£60
Grantham, Leicestershire, UK

Belvoir 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 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 19 Jul
  • £35-£60
  • Sat 19 Jul
  • £35-£60
Grantham, Leicestershire, UK

Belvoir 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
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.
  • Sun 20 Jul
  • £50-£60
  • Sun 20 Jul
  • £50-£60
Grantham, Leicestershire, UK

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
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 20 Jul
  • £45-£60
  • Sun 20 Jul
  • £45-£60
Grantham, Leicestershire, UK

Belvoir 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 km road cycling
  • 2.4 km road running

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