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Triathlons in UK in June 2025

Find triathlons near me in UK in June 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.

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 1 Jun
  • £145-£186
  • Sun 1 Jun
  • £145-£186
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
  • Standard aquabike
Come join the Pendle Triathlon for this annual event! Set at West Craven Sports Centre in the beautiful Lancashire countryside.
  • Sun 1 Jun
  • £30-£40
  • Sun 1 Jun
  • £30-£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
Take on a multi-activity or distance event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
  • Sat 7 Jun
  • £58-£120
  • Sat 7 Jun
  • £58-£120
Windsor, Buckinghamshire, UK

Dorney Triathlon | June

Take on a multi-activity or distance 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
The successful Dartmouth Triathlon returns with a stunning sea swim, stunning coastal bike route, out and back run including Devon's flattest road, plus chance to camp on the beach!
  • Sun 8 Jun
  • £59-£81
  • Sun 8 Jun
  • £59-£81
Dartmouth, Devon, UK

Dartmouth Triathlon

The successful Dartmouth Triathlon returns with a stunning sea swim, stunning coastal bike route, out and back run including Devon's flattest road, plus chance to camp on the beach!

  • Trees not tees
  • Recycling
  • Newcomers
  • Sustainability policy
  • Age 15 & over
  • Olympic triathlon
  • Sprint 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.
  • Sun 8 Jun
  • £60-£125
  • Sun 8 Jun
  • £60-£125
Weymouth, Dorset, UK

The 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
Previously known as Mount Edgcumbe Triathlon, triathletes and swimmers of all abilities can experience a truly exceptional venue, finishers medal, t-shirt and memorable day out at a fantastic event.
  • Sun 15 Jun
  • £25-£99
  • Sun 15 Jun
  • £25-£99
Torpoint, Cornwall, UK

Plymouth Triathlon & Plymouth Swim

Previously known as Mount Edgcumbe Triathlon, triathletes and swimmers of all abilities can experience a truly exceptional venue, finishers medal, t-shirt and memorable day out at a fantastic event.

  • Families
  • Trees not tees
  • Newcomers
  • Event village
  • Park
  • Sustainability policy
  • Age 9 & over
  • Kids triathlon 3
  • Sprint triathlon
  • Olympic triathlon
  • Half Ironman
  • Sea swim 3
Located at the Stewartby Sailing Club this venue is perfect for triathlon and aquabike and was host to a sold-out GB team qualifier event in 2023, with probably the fastest bike leg in the country!
  • Sun 15 Jun
  • £62-£115
  • Sun 15 Jun
  • £62-£115
Bedford, Bedfordshire, UK

ATW Stewartby Lake Triathlon & Aquabike

Located at the Stewartby Sailing Club this venue is perfect for triathlon and aquabike and was host to a sold-out GB team qualifier event in 2023, with probably the fastest bike leg in the country!

  • Recycling
  • Newcomers
  • Plastic bottle free
  • Event village
  • Park
  • Sustainability policy
  • Age 15 & over
  • Sprint triathlon
  • Olympic triathlon
  • Sprint aquabike
  • Standard aquabike
Situated in the renowned Cardiff Bay, this event stands out as a truly memorable city race. The event village is on Roald Dahl Plass in front of the Wales Millenium Centre.
  • Sun 22 Jun
  • £78.99-£249.99
  • Sun 22 Jun
  • £78.99-£249.99
Cardiff, UK

Cardiff Triathlon & Duathlon

Situated in the renowned Cardiff Bay, this event stands out as a truly memorable city race. The event village is on Roald Dahl Plass in front of the Wales Millenium Centre.

  • Recycling
  • Newcomers
  • Plastic bottle free
  • Music
  • Event village
  • Event expo
  • Urban
  • Coast
  • Free venue entry
  • Sustainability policy
  • Public transport links
  • Plastic-free event
  • Age 15 & over
  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon 2
  • Half Ironman
  • Sprint duathlon
Mallory Park Junior Triathlon: Where Dreams Take Flight! Nurturing the next generation of triathletes, providing a safe and exhilarating environment for children to discover the thrill of multisports.
  • Sat 28 Jun
  • £18-£29
  • Sat 28 Jun
  • £18-£29
Kirkby Mallory, Leicestershire, UK

ATW Childrens Triathlon Mallory Park

Mallory Park Junior Triathlon: Where Dreams Take Flight! Nurturing the next generation of triathletes, providing a safe and exhilarating environment for children to discover the thrill of multisports.

  • Families
  • Newcomers
  • Event village
  • Age 8-16
  • Kids triathlon 5
Mallory Park Triathlon Extravaganza: A Traffic-Free Triumph! A thrilling and safe circuit nestled in picturesque surroundings, boasting its own self-enclosed swim lake.
  • Sun 29 Jun
  • £48-£98
  • Sun 29 Jun
  • £48-£98
Kirkby Mallory, Leicestershire, UK

ATW Triathlon | Mallory Park

Mallory Park Triathlon Extravaganza: A Traffic-Free Triumph! A thrilling and safe circuit nestled in picturesque surroundings, boasting its own self-enclosed swim lake.

  • Newcomers
  • Event village
  • Park
  • Age 15 & over
  • Super sprint triathlon
  • Sprint triathlon
  • Super sprint aquabike
  • Sprint aquabike
Start with a great sea swim in warm waters then on to the bikes for a closed road and flat bike leg. Finally there's a run with views of the sea. Torre Abbey Sands has excellent water quality.
  • Sun 29 Jun
  • £30-£79
  • Sun 29 Jun
  • £30-£79
Torquay, Devon, UK

English Riviera Triathlon

Start with a great sea swim in warm waters then on to the bikes for a closed road and flat bike leg. Finally there's a run with views of the sea. Torre Abbey Sands has excellent water quality.

  • Trees not tees
  • Recycling
  • Newcomers
  • Plastic bottle free
  • Coast
  • Sustainability policy
  • Age 11 & over
  • Sprint triathlon
  • Olympic triathlon
  • Super sprint triathlon
  • Kids triathlon 2
  • Sun 1 Jun
Henley-on-Thames, Oxfordshire, UK

Henley Triathlon

  • Novice triathlon 2
  • Super sprint triathlon
  • Sprint triathlon
  • Sun 1 Jun
Brigg, Lincolnshire, UK

Keyo Brigg Bomber Sprint Distance Triathlon

  • 750 m river swimming
  • 18 km road cycling
  • 5 km road running
  • Sat 7 - Sun 8 Jun
Morpeth, Northumberland, UK

Northumberland Festival of Sport

  • Lake swim 3
  • Kids triathlon 4
  • Sprint triathlon
  • Olympic triathlon
  • Sprint aquabike
  • + 3 more races
  • Sat 7 - Sun 8 Jun
Woodstock, Oxfordshire, UK

Blenheim Palace Triathlon

  • Super sprint triathlon 2
  • Sprint triathlon 4
  • Sprint duathlon
  • Standard duathlon
  • Sun 8 Jun
Knutsford, Cheshire, UK

Boundary Breeze Triathlon and Aquabike

  • Sprint triathlon
  • Sprint aquabike
  • Sun 8 Jun
Eastbourne, East Sussex, UK

Eastbourne Triathlon

  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon
  • Sea swim
  • Sprint aquathlon
  • + 3 more races
  • Sun 8 Jun
Caernarfon, Gwynedd, UK

Slateman Triathlon & Duathlon

  • Sprint triathlon
  • Olympic triathlon
  • Half Ironman
  • Wed 11 Jun
Cromhall, Gloucestershire, UK

South West Maritime Triathlon Series - Race 2

  • Sprint triathlon
  • Sprint duathlon
  • Sat 14 Jun
Whitchurch, Shropshire, UK

Alderford Kids Fun Triathlon

  • Kids triathlon 8
  • Sun 15 Jun
Whitchurch, Shropshire, UK

Alderford Triathlon

  • Novice triathlon
  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon
  • Sun 15 Jun
Windsor, Berkshire, UK

Royal Windsor Triathlon

  • Sprint triathlon
  • Olympic triathlon
  • Wed 18 Jun
Swindon, Wiltshire, UK

Cotswolds Lake 62 Evening Triathlon Series - Race 2

  • Super sprint triathlon
  • Super sprint duathlon
  • Super sprint aquabike
  • Sprint aquathlon
  • Sat 21 Jun
Pwllheli, Gwynedd, UK

Menai Holiday Cottages Abersoch Triathlon

  • Fun run
  • Sprint triathlon
  • Olympic triathlon
  • Sun 29 Jun
Penrith, Cumbria, UK

Ullswater Epicman Triathlon & Duathlon

  • Sprint triathlon
  • Olympic triathlon
  • Half Ironman
  • Sprint duathlon
  • Standard duathlon
  • + 1 more race

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