Kids triathlons

Kids triathlons

We've made it super-simple to find a triathlon for your children!

Kids triathlons in the UK

Triathlons for children and juniors are a great way to introduce them to the sport. Courses are usually short and held on closed roads to be safe and accessible for kids. We've made it super-simple to find events by age - but don't forget, it's usually the child's age on 31 December of the year of the event! Select your location for kids triathlons in your area or scroll down to see events coming up.

Filter by month

Filter by place

Map view

Kids triathlons in 2025/2026

Featured events are listed below - select your region to see all events.

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
  • £21-£29
Oundle, Northamptonshire, UK

ATW Oundle Children’s Triathlon

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.

  • Kids triathlon 5
Get active in the award-winning grounds and surrounding Kent countryside in the discipline of your choice! Recruit your friends and celebrate completing your challenge in the festival village.
  • Sat 27 - Sun 28 Sep
  • £35-£295
Edenbridge, Kent, UK

Hever Castle Triathlon and Multisport Festival

Get active in the award-winning grounds and surrounding Kent countryside in the discipline of your choice! Recruit your friends and celebrate completing your challenge in the festival village.

  • Half Ironman
  • Olympic triathlon
  • Sprint triathlon 2
  • Super sprint triathlon
  • Novice triathlon
  • + 17 more races
A totally traffic free festival of triathlon offering both junior and senior distance options on the English Riviera. Pool swimming along with tarmac cycling and a parkland run, with a great medal.
  • Sun 5 Oct
  • £22-£51
Paignton, Devon, UK

Torbay Triathlon Autumn

A totally traffic free festival of triathlon offering both junior and senior distance options on the English Riviera. Pool swimming along with tarmac cycling and a parkland run, with a great medal.

  • Sprint triathlon
  • Super sprint triathlon
  • Kids triathlon 7
  • Novice triathlon
Tavistock Triathlon is for all ages and abilities using the amazing Olympic legacy 50m pool at Mount Kelly with quiet rolling roads for the bike and the disused railway line for the run. What a venue!
  • Mon 4 May 2026
  • £20-£63
Tavistock, Devon, UK

Tavistock Triathlon

Tavistock Triathlon is for all ages and abilities using the amazing Olympic legacy 50m pool at Mount Kelly with quiet rolling roads for the bike and the disused railway line for the run. What a venue!

  • Olympic triathlon
  • Sprint triathlon
  • Super sprint triathlon
  • Kids triathlon 5
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.
  • Sun 28 Jun 2026
  • £30-£75
Torquay, Devon, UK

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.

  • Sprint triathlon
  • Olympic triathlon
  • Super sprint triathlon
  • Kids triathlon 2

Kids triathlons near you

Select your location for triathlons for children and juniors in your area.