- Sat 7 Jun 2025
- £58-£120
- Sat 7 Jun 2025
- £58-£120
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
- Sun 8 Jun 2025
- £59-£81
- Sun 8 Jun 2025
- £59-£81
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
- Sun 8 Jun 2025
- £60-£125
- Sun 8 Jun 2025
- £60-£125
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
- Sun 15 Jun 2025
- £62-£115
- Sun 15 Jun 2025
- £62-£115
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
- Sun 15 Jun 2025
- £25-£99
- Sun 15 Jun 2025
- £25-£99
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
- Sun 22 Jun 2025
- £78.99-£249.99
- Sun 22 Jun 2025
- £78.99-£249.99
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
- Sun 29 Jun 2025
- £30-£79
- Sun 29 Jun 2025
- £30-£79
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
Northumberland Festival of Sport
- Lake swim 3
- Kids triathlon 4
- Sprint triathlon
- Olympic triathlon
- Sprint aquabike
- + 3 more races
- Sun 8 Jun 2025
Eastbourne Triathlon
- Super sprint triathlon
- Sprint triathlon
- Olympic triathlon
- Sea swim
- Sprint aquathlon
- + 3 more races
- Sun 8 Jun 2025
Slateman Triathlon & Duathlon
- Sprint triathlon
- Olympic triathlon
- Half Ironman
- Standard duathlon
- Sun 15 Jun 2025
Alderford Triathlon
- Novice triathlon
- Super sprint triathlon
- Sprint triathlon
- Olympic triathlon
- Sun 29 Jun 2025
Ullswater Epicman Triathlon & Duathlon
- Sprint triathlon
- Olympic triathlon
- Half Ironman
- Sprint duathlon
- Standard duathlon
- + 1 more race
- Sun 29 Jun 2025
Ultimate Triathlon
- 2.4 miles lake swimming
- 112 miles road cycling
- 26.2 miles road running
- Sun 29 Jun 2025
Ultimate Half Triathlon
- 1.2 miles lake swimming
- 56 miles road cycling
- 13.1 miles road running
- Sun 29 Jun 2025
Ultimate Quarter Triathlon
- 0.6 mile pool swimming
- 28 miles road cycling
- 6.5 miles road running