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Kids triathlons in UK in August 2025

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

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ATW is the largest triathlon organiser in the UK and is bringing you the Oundle Childrens Triathlon! Ideal for all levels including very first attempts at triathlon.
  • Sun 17 Aug 2025
  • £16-£20
  • Sun 17 Aug 2025
  • £16-£20
Peterborough, Northamptonshire, UK

ATW Oundle Children’s Triathlon | Tristart

ATW is the largest triathlon organiser in the UK and is bringing you the Oundle Childrens Triathlon! Ideal for all levels including very first attempts at triathlon.

  • Chip timing
  • Enter online
  • Age 8 & over
  • 50 m pool swimming
  • 800 m mountain biking
  • 600 m trail running
ATW is the largest triathlon organiser in the UK and is bringing you the Oundle Childrens Triathlon! Ideal for all levels including very first attempts at triathlon.
  • Sun 17 Aug 2025
  • £24-£28
  • Sun 17 Aug 2025
  • £24-£28
Peterborough, Northamptonshire, UK

ATW Oundle Children’s Triathlon | Tristar 1

ATW is the largest triathlon organiser in the UK and is bringing you the Oundle Childrens Triathlon! Ideal for all levels including very first attempts at triathlon.

  • Chip timing
  • Enter online
  • Age 9-10
  • 150 m pool swimming
  • 2 km mountain biking
  • 1.2 km trail running
ATW is the largest triathlon organiser in the UK and is bringing you the Oundle Childrens Triathlon! Ideal for all levels including very first attempts at triathlon.
  • Sun 17 Aug 2025
  • £24-£28
  • Sun 17 Aug 2025
  • £24-£28
Peterborough, Northamptonshire, UK

ATW Oundle Children’s Triathlon | Tristar 2

ATW is the largest triathlon organiser in the UK and is bringing you the Oundle Childrens Triathlon! Ideal for all levels including very first attempts at triathlon.

  • Chip timing
  • Enter online
  • Age 11-12
  • 200 m pool swimming
  • 4 km mountain biking
  • 1.8 km trail running
ATW is the largest triathlon organiser in the UK and is bringing you the Oundle Childrens Triathlon! Ideal for all levels including very first attempts at triathlon.
  • Sun 17 Aug 2025
  • £24-£28
  • Sun 17 Aug 2025
  • £24-£28
Peterborough, Northamptonshire, UK

ATW Oundle Children’s Triathlon | Tristar 3

ATW is the largest triathlon organiser in the UK and is bringing you the Oundle Childrens Triathlon! Ideal for all levels including very first attempts at triathlon.

  • Chip timing
  • Enter online
  • Age 13-14
  • 300 m pool swimming
  • 6 km mountain biking
  • 2.4 km trail running
ATW is the largest triathlon organiser in the UK and is bringing you the Oundle Childrens Triathlon! Ideal for all levels including very first attempts at triathlon.
  • Sun 17 Aug 2025
  • £24-£28
  • Sun 17 Aug 2025
  • £24-£28
Peterborough, Northamptonshire, UK

ATW Oundle Children’s Triathlon | Youth

ATW is the largest triathlon organiser in the UK and is bringing you the Oundle Childrens Triathlon! Ideal for all levels including very first attempts at triathlon.

  • Chip timing
  • Enter online
  • Age 15-16
  • 400 m pool swimming
  • 8 km mountain biking
  • 3 km trail running
The Long Course Weekend challenge specifically tailored to junior athletes. Swim on Friday, cycle on Saturday and run on Sunday. Same massive crowds and the same awesome experience!
  • Fri 29 - Sun 31 Aug 2025
  • £129
  • Fri 29 - Sun 31 Aug 2025
  • £129
Masham, North Yorkshire, UK

Junior Long Course Weekend

The Long Course Weekend challenge specifically tailored to junior athletes. Swim on Friday, cycle on Saturday and run on Sunday. Same massive crowds and the same awesome experience!

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 14-17
  • 1.2 miles lake swimming
  • 56 miles road cycling
  • 10 km road running
  • Sat 16 Aug 2025
York, North Yorkshire, UK

York Kids Fun Triathlon | Relay BRONZE

  • 50 m pool swimming
  • 3 km track cycling
  • 1500 m trail running
  • Sat 16 Aug 2025
York, North Yorkshire, UK

York Kids Fun Triathlon | Relay GOLD

  • 150 m pool swimming
  • 4 km track cycling
  • 2500 m trail running
  • Sat 16 Aug 2025
York, North Yorkshire, UK

York Kids Fun Triathlon | Relay ZINC

  • 25 m pool swimming
  • 1 km track cycling
  • 500 m trail running
  • Sat 16 Aug 2025
York, North Yorkshire, UK

York Kids Fun Triathlon | Tin

  • 18 m pool swimming
  • 1 km track cycling
  • 500 m trail running
  • Sat 16 Aug 2025
York, North Yorkshire, UK

York Kids Fun Triathlon | Zinc

  • 25 m pool swimming
  • 1 km track cycling
  • 500 m trail running
  • Sat 16 Aug 2025
York, North Yorkshire, UK

York Kids Fun Triathlon | Steel

  • 50 m pool swimming
  • 2 km track cycling
  • 1000 m trail running
  • Sat 16 Aug 2025
York, North Yorkshire, UK

York Kids Fun Triathlon | Bronze

  • 50 m pool swimming
  • 3 km track cycling
  • 1500 m trail running
  • Sat 16 Aug 2025
York, North Yorkshire, UK

York Kids Fun Triathlon | Silver

  • 100 m pool swimming
  • 4 km track cycling
  • 2000 km trail running
  • Sat 16 Aug 2025
York, North Yorkshire, UK

York Kids Fun Triathlon | Gold

  • 150 m pool swimming
  • 4 km track cycling
  • 2500 m trail running
  • Sun 31 Aug 2025
Brighton, East Sussex, UK

Brighton and Hove Triathlon | TriStar Start

  • 100 m sea swimming
  • 1.5 km road cycling
  • 600 m road running
  • Sun 31 Aug 2025
Brighton, East Sussex, UK

Brighton and Hove Triathlon | TriStar 1

  • 200 m sea swimming
  • 4 km road cycling
  • 1.2 km road running
  • Sun 31 Aug 2025
Brighton, East Sussex, UK

Brighton and Hove Triathlon | TriStar 2

  • 300 m sea swimming
  • 4 km road cycling
  • 1.8 km road running
  • Sun 31 Aug 2025
Brighton, East Sussex, UK

Brighton and Hove Triathlon | TriStar 3

  • 400 m sea swimming
  • 8 km road cycling
  • 2.4 km road running

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