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Kids triathlons in UK

Find kids triathlons near me in UK 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.

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
  • £29
  • Sun 17 Aug
  • £29
Oundle, 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
  • £29
  • Sun 17 Aug
  • £29
Oundle, 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
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.
  • Sat 27 Sep
  • £35-£60
  • Sat 27 Sep
  • £35-£60
Edenbridge, Kent, UK

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
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.
  • Sun 28 Sep
  • £45-£60
  • Sun 28 Sep
  • £45-£60
Edenbridge, Kent, UK

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
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.
  • Sun 28 Sep
  • £40-£60
  • Sun 28 Sep
  • £40-£60
Edenbridge, Kent, UK

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
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.
  • Sun 28 Sep
  • £50-£60
  • Sun 28 Sep
  • £50-£60
Edenbridge, Kent, UK

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
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
  • £31
  • Sun 5 Oct
  • £31
Paignton, Devon, UK

Torbay Triathlon Autumn | Tristar 3

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.

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 13-14
  • 300 m pool swimming
  • 7.5 km road cycling
  • 2.5 km multi terrain running
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
  • £31
  • Sun 5 Oct
  • £31
Paignton, Devon, UK

Torbay Triathlon Autumn | Tristar 2

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.

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 11-12
  • 200 m pool swimming
  • 6 km road cycling
  • 1.8 km multi terrain running
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
  • £31
  • Sun 5 Oct
  • £31
Paignton, Devon, UK

Torbay Triathlon Autumn | Novice Kids 11-14

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.

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 11-14
  • 200 m pool swimming
  • 6 km road cycling
  • 1.9 km multi terrain running
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
  • £31
  • Sun 5 Oct
  • £31
Paignton, Devon, UK

Torbay Triathlon Autumn | Tristar 1

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.

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 9-10
  • 150 m pool swimming
  • 3000 m road cycling
  • 1.3 km multi terrain running
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-£25
  • Sun 5 Oct
  • £22-£25
Paignton, Devon, UK

Torbay Triathlon Autumn | TriStar Start

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.

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 8-8
  • 50 m pool swimming
  • 1500 m road cycling
  • 650 m multi terrain running
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
  • £25
  • Sun 5 Oct
  • £25
Paignton, Devon, UK

Torbay Triathlon Autumn | Novice Kids 9-10

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.

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 9-10
  • 50 m pool swimming
  • 1500 m road cycling
  • 650 m multi terrain running
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
  • £23
  • Sun 5 Oct
  • £23
Paignton, Devon, UK

Torbay Triathlon Autumn | Mini Triathlon

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.

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 5-7
  • 25 m pool swimming
  • 1500 m road cycling
  • 650 m multi terrain running
TriStar 3 for children aged 13-14. Pool swim, bike and also run are all mainly on grass in the grounds of Mount Kelly.
  • Mon 4 May 2026
  • £27
  • Mon 4 May 2026
  • £27
Tavistock, Devon, UK

Tavistock Triathlon | TriStar 3

TriStar 3 for children aged 13-14. Pool swim, bike and also run are all mainly on grass in the grounds of Mount Kelly.

  • Enter online
  • Age 13-14
  • 300 m pool swimming
  • 6 km gravel riding
  • 2.6 km multi terrain running
TriStar 2 for children aged 11-12. Pool swim, bike and also run are all mainly on grass in the grounds of Mount Kelly.
  • Mon 4 May 2026
  • £24
  • Mon 4 May 2026
  • £24
Tavistock, Devon, UK

Tavistock Triathlon | TriStar 2

TriStar 2 for children aged 11-12. Pool swim, bike and also run are all mainly on grass in the grounds of Mount Kelly.

  • Enter online
  • Age 11-12
  • 200 m pool swimming
  • 3.6 km gravel riding
  • 1.95 km multi terrain running
TriStar 1 for children age 9-10. Pool swim, bike and also run are all mainly on grass in the grounds of Mount Kelly.
  • Mon 4 May 2026
  • £22
  • Mon 4 May 2026
  • £22
Tavistock, Devon, UK

Tavistock Triathlon | TriStar 1

TriStar 1 for children age 9-10. Pool swim, bike and also run are all mainly on grass in the grounds of Mount Kelly.

  • Enter online
  • Age 9-10
  • 150 m pool swimming
  • 2.4 km gravel riding
  • 1.3 km multi terrain running
TriStar Start Kids age 8. Pool swim, bike and also run are all mainly on grass in the grounds of Mount Kelly.
  • Mon 4 May 2026
  • £21
  • Mon 4 May 2026
  • £21
Tavistock, Devon, UK

Tavistock Triathlon | Tristar Start

TriStar Start Kids age 8. Pool swim, bike and also run are all mainly on grass in the grounds of Mount Kelly.

  • Enter online
  • Age 8-8
  • 50 m pool swimming
  • 1 km gravel riding
  • 450 m multi terrain running
New! For kids age 5+. Pool swim, bike and also run are all mainly on grass in the grounds of Mount Kelly.
  • Mon 4 May 2026
  • £20
  • Mon 4 May 2026
  • £20
Tavistock, Devon, UK

Tavistock Triathlon | Mini Tri

New! For kids age 5+. Pool swim, bike and also run are all mainly on grass in the grounds of Mount Kelly.

  • Enter online
  • Age 5-7
  • 25 m pool swimming
  • 1 km gravel riding
  • 450 m multi terrain running
  • Sat 14 Jun
Whitchurch, Shropshire, UK

Alderford Kids Fun Triathlon | GOLD

  • 150 m lake swimming
  • 4 km mountain biking
  • 2500 m trail running
  • Sat 14 Jun
Whitchurch, Shropshire, UK

Alderford Kids Fun Triathlon | GOLD Team Relay

  • 150 m lake swimming
  • 4 km mountain biking
  • 2500 m trail running
  • Sat 14 Jun
Whitchurch, Shropshire, UK

Alderford Kids Fun Triathlon | SILVER

  • 100 m lake swimming
  • 4 km mountain biking
  • 2000 m trail running
  • Sat 14 Jun
Whitchurch, Shropshire, UK

Alderford Kids Fun Triathlon | STEEL

  • 50 m lake swimming
  • 2 km mountain biking
  • 1000 m trail running
  • Sat 14 Jun
Whitchurch, Shropshire, UK

Alderford Kids Fun Triathlon | BRONZE

  • 50 m lake swimming
  • 3 km mountain biking
  • 1500 m trail running
  • Sat 14 Jun
Whitchurch, Shropshire, UK

Alderford Kids Fun Triathlon | BRONZE Team Relay

  • 50 m lake swimming
  • 3 km mountain biking
  • 1500 m trail running
  • Sat 14 Jun
Whitchurch, Shropshire, UK

Alderford Kids Fun Triathlon | ZINC Team Relay

  • 25 m lake swimming
  • 1 km mountain biking
  • 500 m trail running

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