15

Triathlons in UK in May 2025

Find triathlons near me in UK in May 2025 - 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.

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!
  • Sun 4 May 2025
  • £22-£59
  • Sun 4 May 2025
  • £22-£59
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!

  • Trees not tees
  • Recycling
  • Dogs allowed
  • Rural
  • Sustainability policy
  • Age 5 & over
  • Olympic triathlon
  • Sprint triathlon
  • Novice triathlon
  • Kids triathlon 5
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.
  • Sun 4 May 2025
  • £53-£94
  • Sun 4 May 2025
  • £53-£94
Saint Neots, Cambridgeshire, UK

ATW St Neots Triathlon | Race 1

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
  • Age 15 & over
  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon
  • Standard aquabike
The UK's Number 1 Mountain Festival! Sport, Speakers, Live Music, Activities, Good Times. A full multi-sport and entertainment festival with exciting new changes!
  • Fri 16 - Sun 18 May 2025
  • £30
  • Fri 16 - Sun 18 May 2025
  • £30
Keswick, Cumbria, UK

Keswick Mountain Festival

The UK's Number 1 Mountain Festival! Sport, Speakers, Live Music, Activities, Good Times. A full multi-sport and entertainment festival with exciting new changes!

  • Families
  • Wheelchair users
  • Newcomers
  • Dogs allowed
  • Entertainment
  • Music
  • Enter online
  • Event village
  • Event expo
  • Park
  • Rural
  • Mountains
  • All ages
  • 5K run
  • 10K run
  • Half marathon
  • 50K ultra run
  • Fell run
  • + 12 more races
This popular weekend of multisport welcomes everyone to a wide range of activities, lively event village, grandstand seating, relay options, youth events plus some exciting new additions!
  • Sat 17 - Sun 18 May 2025
  • £12.84-£256.80
  • Sat 17 - Sun 18 May 2025
  • £12.84-£256.80
Nottingham, Nottinghamshire, UK

Outlaw Half Nottingham Weekend

This popular weekend of multisport welcomes everyone to a wide range of activities, lively event village, grandstand seating, relay options, youth events plus some exciting new additions!

  • Families
  • Newcomers
  • Dogs allowed
  • Event village
  • Park
  • Age 4 & over
  • Fun run 2
  • Sprint triathlon
  • Middle aquabike
  • Half Ironman
A choice of multi-sports events including triathlon, relay triathlon and aquabike at a stunning watersports venue with immaculate water quality, scenic routes, a custom designed medal and much more.
  • Sat 17 - Sun 18 May 2025
  • £68-£140
  • Sat 17 - Sun 18 May 2025
  • £68-£140
Bedford, Bedfordshire, UK

ATW Box End Triathlon

A choice of multi-sports events including triathlon, relay triathlon and aquabike at a stunning watersports venue with immaculate water quality, scenic routes, a custom designed medal and much more.

  • Newcomers
  • Event village
  • Park
  • Age 15 & over
  • Sprint triathlon
  • Sprint aquabike
  • Olympic triathlon
  • Standard aquabike
  • Relay triathlon
  • + 2 more races
Triathlon and swim events at Roadford Lake, offering a range of distances to suit all ability levels in a safe environment, with camping options to enjoy the area after your event.
  • Sun 18 May 2025
  • £58-£135
  • Sun 18 May 2025
  • £58-£135
Lifton, Devon, UK

Roadford Lake Triathlon

Triathlon and swim events at Roadford Lake, offering a range of distances to suit all ability levels in a safe environment, with camping options to enjoy the area after your event.

  • Families
  • Trees not tees
  • Recycling
  • Newcomers
  • Event village
  • Rural
  • Sustainability policy
  • Plastic-free event
  • Age 15 & over
  • Sprint triathlon
  • Olympic triathlon
  • Half Ironman
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.
  • Sun 25 May 2025
  • £58-£120
  • Sun 25 May 2025
  • £58-£120
Windsor, Buckinghamshire, UK

Dorney Triathlon | May

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.

  • Recycling
  • Newcomers
  • Event village
  • Sustainability policy
  • Age 15 & over
  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon
  • Sprint aquabike
  • Standard aquabike
Bike past historic landmarks, and run beside the Great Feild at Poundbury. As you finish each leg of the course, you’ll get closer to the crowds of people cheering you on at that final stretch.
  • Sun 25 May 2025
  • £41.50
  • Sun 25 May 2025
  • £41.50
Dorchester, Dorset, UK

The Dorchester Sprint Triathlon

Bike past historic landmarks, and run beside the Great Feild at Poundbury. As you finish each leg of the course, you’ll get closer to the crowds of people cheering you on at that final stretch.

  • Newcomers
  • Enter online
  • Undulating
  • Event village
  • Plastic-free event
  • Age 16 & over
  • 300 m pool swimming
  • 21 km road cycling
  • 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 28 May 2025
  • £58-£78
  • Wed 28 May 2025
  • £58-£78
Windsor, Buckinghamshire, UK

Midweek Dorney Triathlon | May

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.

  • Newcomers
  • Event village
  • Sustainability policy
  • Age 15 & over
  • Super sprint triathlon
  • Sprint triathlon
  • Sprint aquabike
  • Sun 4 May 2025
Bolton, Greater Manchester, UK

Horwich Triathlon, Duathlon & Aquathlon

  • Sprint triathlon
  • Olympic triathlon
  • Sprint duathlon
  • Standard duathlon
  • Sprint aquathlon
  • + 1 more race
  • Mon 5 May 2025
Tadcaster, North Yorkshire, UK

Tad Tri

  • 400 m pool swimming
  • 13 km road cycling
  • 6 km road running
  • Sat 10 - Sun 11 May 2025
Morpeth, Northumberland, UK

TRAILDOG MultiSport

  • Super sprint duathlon 2
  • Novice triathlon 2
  • Sprint aquathlon 2
  • CaniCross 2
  • Sun 11 May 2025
Nantwich, Cheshire, UK

Cheshire Triathlon

  • Novice triathlon 2
  • Super sprint triathlon
  • Sprint triathlon
  • Sun 11 May 2025
Swindon, Wiltshire, UK

Royal Wootton Bassett Triathlon

  • 400 m pool swimming
  • 20 km road cycling
  • 5 km road running
  • Sun 18 May 2025
Southport, Merseyside, UK

Southport Triathlon, Duathlon & Aquathlon

  • Sprint triathlon
  • Olympic triathlon
  • Sprint duathlon
  • Standard duathlon
  • Sprint aquathlon
  • + 1 more race

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