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Triathlons in Summer

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

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The majestic château hosts this epic multi-sport weekend for athletes of all levels, complete with a range of disciplines, festival village, friendly spectators and top reviews all-round!
  • Sat 6 - Sun 7 Jun 2026
  • £20-£350
  • 35% off
Chantilly, France

Chateau de Chantilly Triathlon and Multisport Festival

The majestic château hosts this epic multi-sport weekend for athletes of all levels, complete with a range of disciplines, festival village, friendly spectators and top reviews all-round!

Black Friday 35% off

  • Families
  • Newcomers
  • Event village
  • Rural
  • Sustainability policy
  • Age 8 & over
  • Ironman
  • Half Ironman
  • Olympic triathlon
  • Sprint triathlon 2
  • Super sprint triathlon
  • + 12 more races
Take on this multi-activity event as an individual or as a relay, and enjoy the opportunity to race around the unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
  • Sat 6 Jun 2026
  • £58-£120
Windsor, Buckinghamshire, UK

Dorney Triathlon | June

Take on this multi-activity event as an individual or as a relay, and enjoy the opportunity to race around the unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.

  • Recycling
  • Newcomers
  • Event village
  • Sustainability policy
  • Age 15 & over
  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon
  • Sprint aquabike
  • Standard aquabike
One of the country’s most popular middle distance swim-bike-run events, delivered by triathletes for triathletes, at the beautiful and iconic Grafham Water.
  • Sun 7 Jun 2026
  • £140-£180
Huntingdon, Cambridgeshire, UK

ATW Grafman Middle Distance Triathlon & Aquabike

One of the country’s most popular middle distance swim-bike-run events, delivered by triathletes for triathletes, at the beautiful and iconic Grafham Water.

  • Recycling
  • Newcomers
  • Event village
  • Park
  • Rural
  • Sustainability policy
  • Age 18 & over
  • Half Ironman
  • Middle aquabike
Swim in the clear waters of Blackpool Sands, then take a scenic coastal bike route featuring Devon's flattest road, then run by a stream. Plus chance to camp on the beach!
  • Sun 7 Jun 2026
  • £70-£90
Dartmouth, Devon, UK

Dartmouth Triathlon

Swim in the clear waters of Blackpool Sands, then take a scenic coastal bike route featuring Devon's flattest road, then run by a stream. Plus chance to camp on the beach!

  • Trees not tees
  • Recycling
  • Newcomers
  • Sustainability policy
  • Age 15 & over
  • Olympic triathlon
  • Sprint triathlon
Come join the Pendle Triathlon for this annual event! Set at West Craven Sports Centre in the beautiful Lancashire countryside.
  • Sun 7 Jun 2026
  • £25-£40
Barnoldswick, Lancashire, UK

Pendle Pool Triathlon powered by Fort Vale

Come join the Pendle Triathlon for this annual event! Set at West Craven Sports Centre in the beautiful Lancashire countryside.

  • Newcomers
  • Event village
  • Age 15 & over
  • Super sprint triathlon
  • Sprint triathlon
  • Super sprint duathlon
  • Sprint duathlon
  • Super sprint aquabike
  • + 3 more races
Whichever distance you choose, this triathlon will not fail to impress. With stunning views of Weymouth nature reserve and a true test of stamina, you'll be beaming with pride at the finish line.
  • Sun 14 Jun 2026
  • £80-£195
Weymouth, Dorset, UK

Weymouth WMD Triathlon

Whichever distance you choose, this triathlon will not fail to impress. With stunning views of Weymouth nature reserve and a true test of stamina, you'll be beaming with pride at the finish line.

  • Newcomers
  • Event village
  • Coast
  • Age 18 & over
  • Half Ironman
  • Olympic triathlon
  • Sprint triathlon
Dive into the Plymouth Triathlon and Plymouth Swim! A stunning sea swim, scenic coastal bike ride, and flat waterfront run offering an unforgettable multisport challenge for athletes of all abilities.
  • Sun 14 Jun 2026
  • £29-£130
Torpoint, Cornwall, UK

Plymouth Triathlon & Plymouth Swim

Dive into the Plymouth Triathlon and Plymouth Swim! A stunning sea swim, scenic coastal bike ride, and flat waterfront run offering an unforgettable multisport challenge for athletes of all abilities.

  • Families
  • Trees not tees
  • Newcomers
  • Event village
  • Park
  • Sustainability policy
  • Age 11 & over
  • Sprint triathlon
  • Olympic triathlon
  • Half Ironman
  • Sea swim 3
Get active in the beautiful grounds and surrounding area of stunning Cheshire in the discipline of your choice! Bring your friends and celebrate completing your challenge in the festival village.
  • Sat 20 - Sun 21 Jun 2026
  • £28-£245
  • 35% off
Malpas, Cheshire, UK

Cholmondeley Castle Triathlon and Multisport Festival

Get active in the beautiful grounds and surrounding area of stunning Cheshire in the discipline of your choice! Bring your friends and celebrate completing your challenge in the festival village.

Black Friday 35% off

  • Families
  • Newcomers
  • Entertainment
  • Music
  • Event village
  • Park
  • Rural
  • Age 9 & over
  • Kids triathlon 5
  • Novice triathlon
  • Super sprint triathlon
  • Sprint triathlon 2
  • Olympic triathlon
  • + 14 more races
Dive into the ATW Stewartby Lake Triathlon and Aquabike – a flat, fast and friendly race offering stunning lake views, smooth roads, and surefire PB potential.
  • Sun 21 Jun 2026
  • £64-£117
Bedford, Bedfordshire, UK

ATW Stewartby Lake Triathlon & Aquabike

Dive into the ATW Stewartby Lake Triathlon and Aquabike – a flat, fast and friendly race offering stunning lake views, smooth roads, and surefire PB potential.

  • Recycling
  • Newcomers
  • Plastic bottle free
  • Event village
  • Park
  • Sustainability policy
  • Age 15 & over
  • Sprint triathlon
  • Olympic triathlon
  • Sprint aquabike
  • Standard aquabike
Take on an exciting coastal triathlon in Southend, featuring a sea swim, fast seafront cycle, and scenic run with fantastic crowd support all the way.
  • Sun 21 Jun 2026
  • £75-£110
Southend-on-Sea, Essex, UK

Southend Triathlon

Take on an exciting coastal triathlon in Southend, featuring a sea swim, fast seafront cycle, and scenic run with fantastic crowd support all the way.

  • Newcomers
  • Event village
  • Coast
  • Age 18 & over
  • Sprint triathlon
  • Olympic triathlon
  • Relay triathlon
  • Standard aquabike
Take on this multi-activity event as an individual or as a relay, and enjoy the opportunity to race around the unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
  • Wed 1 Jul 2026
  • £58-£78
Windsor, Buckinghamshire, UK

Midweek Dorney Triathlon | July

Take on this multi-activity event as an individual or as a relay, and enjoy the opportunity to race around the unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.

  • Recycling
  • Newcomers
  • Event village
  • Sustainability policy
  • Public transport links
  • Age 15 & over
  • Super sprint triathlon
  • Sprint triathlon
  • Sprint aquabike
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 5 Jul 2026
  • £36-£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.

  • Families
  • Trees not tees
  • Recycling
  • Newcomers
  • Plastic bottle free
  • Coast
  • Sustainability policy
  • Age 11 & over
  • Sprint triathlon
  • Olympic triathlon
  • Super sprint triathlon
  • Kids triathlon 2
A family-friendly event in partnership with the Brownlee Foundation, for triathletes of all skill levels including a Sprint, Standard, Middle distance tri, Swims, Aquabike, Relay and Juniors.
  • Sat 11 - Sun 12 Jul 2026
  • £20-£100
Ripon, North Yorkshire, UK

Ripon Triathlon Festival

A family-friendly event in partnership with the Brownlee Foundation, for triathletes of all skill levels including a Sprint, Standard, Middle distance tri, Swims, Aquabike, Relay and Juniors.

  • Families
  • Newcomers
  • Dogs allowed at venue
  • Entertainment
  • Event village
  • Urban
  • Rural
  • Free venue entry
  • Age 8 & over
  • Lake swim 2
  • Sprint triathlon
  • Sprint aquabike
  • Standard aquabike
  • Olympic triathlon
  • + 5 more races
Swim, bike, and run through an iconic city backdrop with a flat, fast course and incredible atmosphere — one of the UK's most-popular 'closed-road' triathlons.
  • Sun 12 Jul 2026
  • £55-£105
Bristol, Somerset, UK

ATW Bristol Triathlon

Swim, bike, and run through an iconic city backdrop with a flat, fast course and incredible atmosphere — one of the UK's most-popular 'closed-road' triathlons.

  • Families
  • Newcomers
  • Event village
  • Sustainability policy
  • Public transport links
  • Age 15 & over
  • Sprint triathlon
  • Sprint aquabike
  • Olympic triathlon
  • Standard aquabike
Take on this multi-activity event as an individual or as a relay, and enjoy the opportunity to race around the unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
  • Sun 12 Jul 2026
  • £58-£120
Windsor, Buckinghamshire, UK

Dorney Triathlon | July

Take on this multi-activity event as an individual or as a relay, and enjoy the opportunity to race around the unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.

  • Recycling
  • Newcomers
  • Event village
  • Sustainability policy
  • Public transport links
  • Age 15 & over
  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon
  • Sprint aquabike
  • Standard aquabike
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in the discipline of your choice! Celebrate in the festival village afterwards.
  • Sat 18 - Sun 19 Jul 2026
  • £28-£245
  • 35% off
Grantham, Leicestershire, UK

Belvoir Castle Triathlon and Multisport Festival

A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in the discipline of your choice! Celebrate in the festival village afterwards.

Black Friday 35% off

  • Families
  • Newcomers
  • Event village
  • Rural
  • Age 9 & over
  • Kids triathlon 4
  • Super sprint triathlon
  • Sprint triathlon 2
  • Olympic triathlon
  • Half Ironman
  • + 14 more races
A one-of-a-kind triathlon adventure from castle to coast – swim, bike, run and soak up the best of the North and South Downs, fully supported all the way, no navigation needed!
  • Sat 18 Jul 2026
  • £260-£290
  • Early bird
Windsor, Buckinghamshire, UK

Castle To Coast Triathlon

A one-of-a-kind triathlon adventure from castle to coast – swim, bike, run and soak up the best of the North and South Downs, fully supported all the way, no navigation needed!

Early bird on now

  • Newcomers
  • Chip timing
  • Enter online
  • Event village
  • Rural
  • Age 18 & over
  • 1.2 miles lake swimming
  • 66 miles road cycling + 3300 ft ascent
  • 14 miles trail running + 1300 ft ascent
Take on this multi-activity event as an individual or as a relay, and enjoy the opportunity to race around the unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
  • Sun 26 Jul 2026
  • £58-£120
Windsor, Buckinghamshire, UK

Dorney Triathlon | July

Take on this multi-activity event as an individual or as a relay, and enjoy the opportunity to race around the unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.

  • Recycling
  • Newcomers
  • Event village
  • Sustainability policy
  • Public transport links
  • Age 15 & over
  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon
  • Sprint aquabike
  • Standard aquabike
Complete your own Odyssey on a journey of self-discovery in the Cambridgeshire countryside featuring a swim in the River Ouse, a scenic ride and a run around the beautiful town of St Neots.
  • Sat 8 Aug 2026
  • £140-£275
  • Early bird
St. Neots, Cambridgeshire, UK

ATW Odyssey Triathlon

Complete your own Odyssey on a journey of self-discovery in the Cambridgeshire countryside featuring a swim in the River Ouse, a scenic ride and a run around the beautiful town of St Neots.

Early bird on now

  • Families
  • Recycling
  • Entertainment
  • Music
  • Event village
  • Park
  • Rural
  • Sustainability policy
  • Age 19 & over
  • Ironman
  • Half Ironman
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a triathlon or aquabike event of your choice.
  • Sat 8 Aug 2026
  • £65-£117
St. Neots, Cambridgeshire, UK

ATW St Neots Triathlon | Race 2

Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a triathlon or aquabike event of your choice.

  • Newcomers
  • Event village
  • Park
  • Sustainability policy
  • Age 15 & over
  • Sprint triathlon
  • Olympic triathlon
  • Standard aquabike
  • Sprint aquabike
Take on this multi-activity event as an individual or as a relay, and enjoy the opportunity to race around the unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
  • Sat 8 Aug 2026
  • £58-£120
Windsor, Buckinghamshire, UK

Dorney Triathlon | August

Take on this multi-activity event as an individual or as a relay, and enjoy the opportunity to race around the unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.

  • Recycling
  • Newcomers
  • Event village
  • Sustainability policy
  • Public transport links
  • Age 15 & over
  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon
  • Sprint aquabike
  • Standard aquabike
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 16 Aug 2026
  • £54-£95
Peterborough, Northamptonshire, UK

ATW Oundle 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.

  • Newcomers
  • Event village
  • Age 15 & over
  • Super sprint triathlon
  • Sprint triathlon
  • Sprint aquabike
A fun, friendly and fully supported triathlon for children of all abilities — perfect for first-timers looking to experience the thrill of swim, bike and run in Oundle.
  • Sun 16 Aug 2026
  • £17-£25
Oundle, Northamptonshire, UK

ATW Oundle Children’s Triathlon

A fun, friendly and fully supported triathlon for children of all abilities — perfect for first-timers looking to experience the thrill of swim, bike and run in Oundle.

  • Families
  • Newcomers
  • Event village
  • Age 8-16
  • Kids triathlon 5
Take on a wild Scottish adventure combining a cold-water loch swim, epic gravel ride and tough mountain run through the breathtaking landscape of the Arrochar Alps.
  • Sat 22 Aug 2026
  • £250
Cairndow, Argyll and Bute, UK

THE RESTLESS Gravel XTRI

Take on a wild Scottish adventure combining a cold-water loch swim, epic gravel ride and tough mountain run through the breathtaking landscape of the Arrochar Alps.

  • Chip timing
  • Enter online
  • GPS tracking
  • Hilly
  • Mountainous
  • Traffic free
  • Event village
  • Event expo
  • Rural
  • Mountains
  • Age 18-100
  • 1.8 km lake swimming
  • 50 km gravel riding + 2000 m ascent
  • 25 km fell running + 1200 m ascent
Take on this multi-activity event as an individual or as a relay, and enjoy the opportunity to race around the unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
  • Wed 26 Aug 2026
  • £58-£78
Windsor, Buckinghamshire, UK

Midweek Dorney Triathlon | August

Take on this multi-activity event as an individual or as a relay, and enjoy the opportunity to race around the unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.

  • Recycling
  • Newcomers
  • Event village
  • Sustainability policy
  • Age 15 & over
  • Super sprint triathlon
  • Sprint triathlon
  • Sprint aquabike

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