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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.

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 2025
  • £58-£120
  • Sat 7 Jun 2025
  • £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 2025
  • £59-£81
  • Sun 8 Jun 2025
  • £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 2025
  • £60-£125
  • Sun 8 Jun 2025
  • £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
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 2025
  • £62-£115
  • Sun 15 Jun 2025
  • £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
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 2025
  • £25-£99
  • Sun 15 Jun 2025
  • £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
Situated in the renowned Cardiff Bay, this event stands out as a truly memorable city race. The event village and transition area are on Roald Dahl Plass in front of the Wales Millenium Centre.
  • Sun 22 Jun 2025
  • £78.99-£249.99
  • Sun 22 Jun 2025
  • £78.99-£249.99
Cardiff, UK

Cardiff Triathlon and Duathlon

Situated in the renowned Cardiff Bay, this event stands out as a truly memorable city race. The event village and transition area are 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
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 2025
  • £30-£79
  • Sun 29 Jun 2025
  • £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
  • Sat 7 - Sun 8 Jun 2025
Morpeth, Northumberland, UK

Northumberland Festival of Sport

  • Lake swim 3
  • Kids triathlon 4
  • Sprint triathlon
  • Olympic triathlon
  • Sprint aquabike
  • + 3 more races
  • Sun 8 Jun 2025
Eastbourne, East Sussex, UK

Eastbourne Triathlon

  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon
  • Sea swim
  • Sprint aquathlon
  • + 3 more races
  • Sun 8 Jun 2025
Caernarfon, Gwynedd, UK

Slateman Triathlon & Duathlon

  • Sprint triathlon
  • Olympic triathlon
  • Half Ironman
  • Standard duathlon
  • Sat 14 Jun 2025
Whitchurch, Shropshire, UK

Alderford Kids Fun Triathlon

  • Kids triathlon 8
  • Sun 15 Jun 2025
Whitchurch, Shropshire, UK

Alderford Triathlon

  • Novice triathlon
  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon
  • Sun 29 Jun 2025
Penrith, Cumbria, UK

Ullswater Epicman Triathlon & Duathlon

  • Sprint triathlon
  • Olympic triathlon
  • Half Ironman
  • Sprint duathlon
  • Standard duathlon
  • + 1 more race
  • Sun 29 Jun 2025
Hexham, Northumberland, UK

The Northumbrian

  • Ironman
  • Half Ironman
  • Sun 29 Jun 2025
Ellesmere, Shropshire, UK

Ultimate Triathlon

  • 2.4 miles lake swimming
  • 112 miles road cycling
  • 26.2 miles road running
  • Sun 29 Jun 2025
Ellesmere, Shropshire, UK

Ultimate Half Triathlon

  • 1.2 miles lake swimming
  • 56 miles road cycling
  • 13.1 miles road running
  • Sun 29 Jun 2025
Ellesmere, Shropshire, UK

Ultimate Quarter Triathlon

  • 0.6 mile pool swimming
  • 28 miles road cycling
  • 6.5 miles road running

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