Triathlons

• Sun 21 Jun 2026
• £75-£110

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

• Wed 1 Jul 2026
• £58-£78

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

• Sun 5 Jul 2026
• £36-£75

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

• Sat 11 - Sun 12 Jul 2026
• £20-£100

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

• Sprint triathlon
• Sprint aquabike
• Lake swim 4
• Standard aquabike
• Olympic triathlon
• + 3 more races

• Sun 12 Jul 2026
• £55-£105

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

• Sun 12 Jul 2026
• £58-£120

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

• Sat 18 - Sun 19 Jul 2026
• £28-£245
• 20% off

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.

20% 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

• Sat 18 Jul 2026
• £260-£290
• Early bird

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

• Sun 26 Jul 2026
• £58-£120

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

• Sat 8 Aug 2026
• £140-£275
• Early bird

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

• Sat 8 Aug 2026
• £65-£117

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
• Super sprint triathlon
• Sprint aquabike

• Sat 8 Aug 2026
• £58-£120

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

• Sun 16 Aug 2026
• £54-£95

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

• Sun 16 Aug 2026
• £17-£25

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

• Sat 22 Aug 2026
• £250

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

• Wed 26 Aug 2026
• £58-£78

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

• Sat 5 Sep 2026
• £215-£260

THE ROC ENGLAND

Face up to the mountain in one of Europe's most inspiring locations. From Windermere to Coniston to summit England's highest mountain, if you love a tough and rewarding challenge - you'll thrive.

• Recycling
• Plastic bottle free
• Music
• Chip timing
• Enter online
• Mountainous
• Event village
• Rural
• Mountains
• Sustainability policy
• Plastic-free event
• Age 18 & over

• 1.5 km lake swimming
• 92 km road cycling
• 18.5 km multi terrain running

• Sun 6 Sep 2026
• £75-£120

Helvellyn Triathlon & Aquabike

Take on one of the UK’s toughest triathlons – a legendary Lake District challenge where brutal climbs, wild beauty and sheer determination define every mile.

• Rural
• Mountains
• Age 17 & over

• Olympic triathlon
• Standard aquabike

• Sun 13 Sep 2026
• £73-£108

Aviemore Triathlon

Escape to the Cairngorms for an adventure triathlon in the scenic waters of Loch Morlich, then mountain biking and trail running in Glenmore Forest. Go Short Fast Durty or Long Hard Durty.

• Recycling
• Newcomers
• Event village
• Sustainability policy
• Age 15 & over

• Sprint triathlon
• Olympic triathlon

• Sun 13 Sep 2026
• £65

Salcombe Brewery Co Sprint Triathlon

Taking place from the wonderful North Sands, put your endurance to the test with a sociable and challenging seaside triathlon, to finish with a Salcombe Sprint Triathlon medal!

• Newcomers
• Enter online
• Event village
• Coast
• Fundraising optional
• Age 18 & over

• 700 m sea swimming
• 19 km road cycling + 400 m ascent
• 3 km trail running + 90 m ascent

• Sun 20 Sep 2026
• £30-£97

Eton Dorney Triathlon & Swims

The Olympic venue, Eton Dorney, offers pan-flat, traffic-free roads and a beautiful clear lake for all levels of triathletes and swimmers to enjoy in an exclusive setting.

• Families
• Recycling
• Newcomers
• Dogs allowed at venue
• Event village
• Urban
• Park
• Rural
• Free venue entry
• Age 15 & over

• Super sprint triathlon
• Sprint triathlon
• Olympic triathlon
• Lake swim 4

• Sun 20 Sep 2026
• £55-£115

ATW St Neots Triathlon | Race 3

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
• Super sprint triathlon
• Sprint aquabike

• Sat 26 Sep 2026
• £75-£116

ATW Grafham Triathlon

Sprint or Standard Tri or Aquabike, in and around the beautiful, clean reservoir, on a flat course for all abilities with custom-designed medal, free photos and finish line goodies.

• Recycling
• Newcomers
• Event village
• Park
• Sustainability policy
• Age 15 & over

• Sprint triathlon
• Olympic triathlon
• Standard aquabike

• Sat 26 Sep 2026
• £58-£120

Dorney Triathlon | September

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

• Sat 3 Oct 2026
• £215-£260

THE ROC SCOTLAND

THE ROC takes in the Highlands. Kinlochleven to the summit of Ben Nevis and back, including a Loch swim, stunning mountain/gravel bike sections and the UK's highest mountain!

• Recycling
• Plastic bottle free
• Music
• Chip timing
• Enter online
• Hilly
• Mountainous
• Event village
• Rural
• Mountains
• Sustainability policy
• Plastic-free event
• Age 18 & over

• 1 km lake swimming
• 52 km mountain biking
• 18 km multi terrain running