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Triathlons in UK

Find 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.

Awarded the Event of the year (2021) in the Welsh Triathlon Awards, The Craft Snowman is well known as the toughest multi-terrain triathlon in the UK. It is not for the faint-hearted.
  • Sun 3 Aug
  • £224.99-£249.99
  • Sun 3 Aug
  • £224.99-£249.99
Betws-y-Coed, Clwyd, UK

Craft Snowman Legend (70.3) Triathlon

Awarded the Event of the year (2021) in the Welsh Triathlon Awards, The Craft Snowman is well known as the toughest multi-terrain triathlon in the UK. It is not for the faint-hearted.

  • Chip timing
  • Enter online
  • Mountainous
  • Age 18 & over
  • 1900 m lake swimming
  • 95.6 km road cycling + 5045 ft ascent
  • 21.2 km multi terrain running + 2926 ft ascent
Awarded the Event of the year (2021) in the Welsh Triathlon Awards, The Craft Snowman is well known as the toughest multi-terrain triathlon in the UK. It is not for the faint-hearted.
  • Sun 3 Aug
  • £89.99-£114.99
  • Sun 3 Aug
  • £89.99-£114.99
Betws-y-Coed, Clwyd, UK

Craft Snowman Sprint Triathlon

Awarded the Event of the year (2021) in the Welsh Triathlon Awards, The Craft Snowman is well known as the toughest multi-terrain triathlon in the UK. It is not for the faint-hearted.

  • Chip timing
  • Enter online
  • Hilly
  • Age 17 & over
  • 750 m lake swimming
  • 27.1 km road cycling + 371 m ascent
  • 6.3 km multi terrain running + 1446 ft ascent
Awarded the Event of the year (2021) in the Welsh Triathlon Awards, The Craft Snowman is well known as the toughest multi-terrain triathlon in the UK. It is not for the faint-hearted.
  • Sun 3 Aug
  • £105.99-£130.99
  • Sun 3 Aug
  • £105.99-£130.99
Betws-y-Coed, Clwyd, UK

Craft Snowman Standard Triathlon

Awarded the Event of the year (2021) in the Welsh Triathlon Awards, The Craft Snowman is well known as the toughest multi-terrain triathlon in the UK. It is not for the faint-hearted.

  • Chip timing
  • Enter online
  • Hilly
  • Mountainous
  • Age 17 & over
  • 1500 m lake swimming
  • 69.3 km road cycling + 3753 ft ascent
  • 8.7 km multi terrain running + 2276 ft ascent
Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
  • Sat 9 Aug
  • £78-£99
  • Sat 9 Aug
  • £78-£99
Windsor, Buckinghamshire, UK

Dorney Sprint Triathlon

Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Age 15 & over
  • 750 m lake swimming
  • 20 km road cycling
  • 5 km road running
Take on a multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
  • Sat 9 Aug
  • £99-£120
  • Sat 9 Aug
  • £99-£120
Windsor, Buckinghamshire, UK

Dorney Standard Triathlon

Take on a multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.

  • Chip timing
  • Enter online
  • Flat
  • Age 17 & over
  • 1500 km lake swimming
  • 40 km road cycling
  • 10 km road running
Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
  • Sat 9 Aug
  • £58
  • Sat 9 Aug
  • £58
Windsor, Buckinghamshire, UK

Dorney Super Sprint Triathlon

Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Age 15 & over
  • 400 m lake swimming
  • 10 km road cycling
  • 2.5 km road running
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a Sprint Triathlon.
  • Sun 10 Aug
  • £78
  • Sun 10 Aug
  • £78
Saint Neots, Cambridgeshire, UK

ATW St Neots Sprint Triathlon | Race 1

Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a Sprint Triathlon.

  • Enter online
  • Age 15 & over
  • 750 m river swimming
  • 24 km road cycling
  • 5 km road running
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a Standard Triathlon.
  • Sun 10 Aug
  • £99-£120
  • Sun 10 Aug
  • £99-£120
Saint Neots, Cambridgeshire, UK

ATW St Neots Standard Triathlon | Race 3

Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a Standard Triathlon.

  • Enter online
  • Age 17 & over
  • 1500 m river swimming
  • 45 km road cycling
  • 10 km road running
Swim in the beautiful River Ouse, cycle through scenic villages, run around Riverside Park and complete a Super Sprint Triathlon with the encouragement of fellow sportspeople and spectators!
  • Sun 10 Aug
  • £58
  • Sun 10 Aug
  • £58
Saint Neots, Cambridgeshire, UK

ATW St Neots Super Sprint Triathlon | Race 3

Swim in the beautiful River Ouse, cycle through scenic villages, run around Riverside Park and complete a Super Sprint Triathlon with the encouragement of fellow sportspeople and spectators!

  • Enter online
  • Age 15 & over
  • 400 m river swimming
  • 8 km road cycling
  • 2.5 km road running
It’s big. It’s bold. It’s the UK’s one and only disability sports series for the Everyday Superhero! There are many super ways to take part in these super-fun and flexible tri challenges.
  • Sat 16 Aug
  • 1 charity
  • Sat 16 Aug
  • 1 charity
Windsor, Berkshire, UK

Superhero Tri powered by Marvel | Full

It’s big. It’s bold. It’s the UK’s one and only disability sports series for the Everyday Superhero! There are many super ways to take part in these super-fun and flexible tri challenges.

  • Enter online
  • Flat
  • Traffic free
  • Age 9 & over
  • 750 m lake swimming
  • 20 km road cycling
  • 5 km road running
It’s big. It’s bold. It’s the UK’s one and only disability sports series for the Everyday Superhero! There are many super ways to take part in these super-fun and flexible tri challenges.
  • Sat 16 Aug
  • 1 charity
  • Sat 16 Aug
  • 1 charity
Windsor, Berkshire, UK

Superhero Tri powered by Marvel | Sprint

It’s big. It’s bold. It’s the UK’s one and only disability sports series for the Everyday Superhero! There are many super ways to take part in these super-fun and flexible tri challenges.

  • Enter online
  • Flat
  • Traffic free
  • Age 5 & over
  • 150 m lake swimming
  • 3 km road cycling
  • 1 km road running
It’s big. It’s bold. It’s the UK’s one and only disability sports series for the Everyday Superhero! There are many super ways to take part in these super-fun and flexible tri challenges.
  • Sat 16 Aug
  • 1 charity
  • Sat 16 Aug
  • 1 charity
Windsor, Berkshire, UK

Superhero Tri powered by Marvel | Half

It’s big. It’s bold. It’s the UK’s one and only disability sports series for the Everyday Superhero! There are many super ways to take part in these super-fun and flexible tri challenges.

  • Enter online
  • Flat
  • Traffic free
  • Age 9 & over
  • 400 m lake swimming
  • 10 km road cycling
  • 2.5 km road running
ATW is the largest triathlon organiser in the UK and is bringing you the Oundle Triathlon! It doesn’t matter if you are an experienced triathlete or this is your very first attempt at swim-bike-run.
  • Sun 17 Aug
  • £58
  • Sun 17 Aug
  • £58
Peterborough, Northamptonshire, UK

ATW Oundle Super Sprint Distance Triathlon

ATW is the largest triathlon organiser in the UK and is bringing you the Oundle Triathlon! It doesn’t matter if you are an experienced triathlete or this is your very first attempt at swim-bike-run.

  • Chip timing
  • Enter online
  • Age 15 & over
  • 400 m pool swimming
  • 13 km road cycling
  • 2.5 km trail running
ATW is the largest triathlon organiser in the UK and is bringing you the Oundle Triathlon! It doesn’t matter if you are an experienced triathlete or this is your very first attempt at swim-bike-run.
  • Sun 17 Aug
  • £78-£99
  • Sun 17 Aug
  • £78-£99
Peterborough, Northamptonshire, UK

ATW Oundle Sprint Distance Triathlon

ATW is the largest triathlon organiser in the UK and is bringing you the Oundle Triathlon! It doesn’t matter if you are an experienced triathlete or this is your very first attempt at swim-bike-run.

  • Chip timing
  • Enter online
  • Age 15 & over
  • 600 m pool swimming
  • 25 km road cycling
  • 5 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
  • £21
  • Sun 17 Aug
  • £21
Oundle, 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 8-8
  • 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
  • £29
  • Sun 17 Aug
  • £29
Oundle, 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
  • £29
  • Sun 17 Aug
  • £29
Oundle, 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
  • £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
Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
  • Wed 27 Aug
  • £58
  • Wed 27 Aug
  • £58
Windsor, Buckinghamshire, UK

Midweek Dorney Super Sprint Triathlon

Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 15 & over
  • 400 m lake swimming
  • 10 km road cycling
  • 2.5 km road running
Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
  • Wed 27 Aug
  • £78
  • Wed 27 Aug
  • £78
Windsor, Buckinghamshire, UK

Midweek Dorney Sprint Triathlon

Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 15 & over
  • 750 m lake swimming
  • 20 km road cycling
  • 5 km road running
This is a great race for all standards, from the absolute beginner right through to the seasoned triathlete. The course is fast, flat and has great PB potential.
  • Sun 31 Aug
  • £49
  • Sun 31 Aug
  • £49
Hatfield, Hertfordshire, UK

HSV Sprint Triathlon

This is a great race for all standards, from the absolute beginner right through to the seasoned triathlete. The course is fast, flat and has great PB potential.

  • Enter online
  • Flat
  • PB
  • Age 15 & over
  • 400 m pool swimming
  • 20 km road cycling
  • 5 km road running
Now twice-yearly due to popularity, the 70.3 Tri has a superb swimming venue with quiet rolling roads for the bike course and a cracking run too. Plus there's lakeside camping available too.
  • Sun 31 Aug
  • £140
  • Sun 31 Aug
  • £140
Lifton, Devon, UK

Roadford Lake Triathlon | Middle Distance

Now twice-yearly due to popularity, the 70.3 Tri has a superb swimming venue with quiet rolling roads for the bike course and a cracking run too. Plus there's lakeside camping available too.

  • Chip timing
  • Enter online
  • Age 18 & over
  • 1.9 km lake swimming
  • 93 km road cycling
  • 21 km road running
Brand new to the popular Roadford Lake Tri, the Iron Tri has a superb swimming venue with quiet rolling roads for the bike course and a cracking run too. Plus there's lakeside camping available too.
  • Sun 31 Aug
  • £250
  • Sun 31 Aug
  • £250
Lifton, Devon, UK

Roadford Lake Triathlon | Iron Distance

Brand new to the popular Roadford Lake Tri, the Iron Tri has a superb swimming venue with quiet rolling roads for the bike course and a cracking run too. Plus there's lakeside camping available too.

  • Chip timing
  • Enter online
  • Age 18 & over
  • 3.8 km lake swimming
  • 185 km road cycling
  • 42 km road running
Take on the fast and flat traffic-free route from Hove Lawns along the famous seafront promenade! Well established as one of the biggest events in the triathlon calendar.
  • Sun 31 Aug
  • 1 charity
  • Sun 31 Aug
  • 1 charity
Brighton, East Sussex, UK

Brighton and Hove Triathlon | Super Sprint Triathlon

Take on the fast and flat traffic-free route from Hove Lawns along the famous seafront promenade! Well established as one of the biggest events in the triathlon calendar.

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 17 & over
  • 300 m sea swimming
  • 10 km road cycling
  • 2.5 km road running

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