- Fri 16 - Sun 18 May 2025
- £30
- Fri 16 - Sun 18 May 2025
- £30
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
- Sun 18 May 2025
- £29-£55
- Sun 18 May 2025
- £29-£55
Roadford Lake Swim
Take the opportunity to swim in a superb lake swimming venue where you’re not normally allowed to swim! Come and make a weekend of it with lakeside camping too.
- Trees not tees
- Recycling
- Rural
- Sustainability policy
- Age 12 & over
- Lake swim 4
- Sat 7 Jun 2025
- £30-£47
- Sat 7 Jun 2025
- £30-£47
Dartmouth Open Water Swim
A much-loved favourite in the outdoors calendar, the Dartmouth Open Water Swims offer a choice of distances in the clear waters of Blackpool Sands Beach for a wide range of swimming abilities.
- Trees not tees
- Newcomers
- Rural
- Coast
- Sustainability policy
- Public transport links
- Age 12 & over
- Sea swim 3
- 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 29 Jun 2025
- £24-£44
- Sun 29 Jun 2025
- £24-£44
English Riviera Swim
The ever-popular English Riviera Swims offers a choice of distances in the warm and sheltered sea at Torquay, for a wide range of swimming abilities. This beach has an excellent water quality record!
- Trees not tees
- Recycling
- Coast
- Sustainability policy
- Age 12 & over
- Sea swim 3
- 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 5 Jul 2025
- £50
- Sat 5 Jul 2025
- £50
Bournemouth Pier to Pier Swim
Join hundreds of other swimmers and take on an epic 1.4 mile open water swim from Boscombe Pier to Bournemouth Pier. With every stroke, you’ll be powering lifesaving research.
- Families
- Wheelchair users
- Recycling
- Newcomers
- Music
- Chip timing
- Enter online
- Fundraising required
- Event village
- Coast
- Age 14 & over
- 1.4 miles sea swimming
- Fri 29 Aug - Mon 1 Sep 2025
- £20-£55
- Fri 29 Aug - Mon 1 Sep 2025
- £20-£55
Something Wild Festival
A family-friendly trail running festival for all ages and abilities with Devon's best trail routes at its heart - plus sea swims, swimruns, guided runs, yoga, music, speakers, local food and camping!
- Families
- Recycling
- Newcomers
- Plastic bottle free
- Dogs allowed
- Entertainment
- Music
- Event village
- Rural
- Coast
- All ages
- Trail run
- 5K run
- 10K run
- Sea swim
- Sprint swimrun
- + 5 more races
- Fri 29 - Sun 31 Aug 2025
- £10-£545
- Fri 29 - Sun 31 Aug 2025
- £10-£545
Long Course Weekend Yorkshire
The Long Course Weekend Yorkshire is back for a second year! A huge multi-sport festival in stunning Nidderdale featuring runs, rides, triple-style challenges and junior events too.
- Families
- Newcomers
- Event village
- Event expo
- Rural
- Age 4 & over
- Ironman
- Half Ironman
- Kids triathlon
- Lake swim 2
- Long sportive
- + 6 more races
- Sat 20 Sep 2025
- £20-£25
- Sat 20 Sep 2025
- £20-£25
Swim Serpentine
A one-day open water swimming event in the beautiful Serpentine Lake in Hyde Park, central London, with a choice of distances to suit all abilities. Charity places now available for 2025.
- Wheelchair users
- Recycling
- Event village
- Event expo
- Urban
- Free venue entry
- Sustainability policy
- Public transport links
- Age 12 & over
- Lake swim 4
- Sun 21 Sep 2025
- £29-£49
- Sun 21 Sep 2025
- £29-£49
Dawlish Swim
Dawlish Warren is a fantastic location for a sea swim, regardless of experience level, plus the excellent Teignmouth Surf Life Saving Club team will be on hand to keep everyone safe.
- Families
- Trees not tees
- Recycling
- Newcomers
- Coast
- Sustainability policy
- Age 12 & over
- Sea swim 3
- 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
- Sat 5 - Sun 6 Jul 2025
Woodhorn Museum Triathlon
- Lake swim 3
- Kids aquathlon 4
- Sprint triathlon
- Olympic triathlon
- Sprint aquabike
- + 3 more races
- Sun 20 Jul 2025
TriBourne Festival of Endurance
- Ironman
- Half Ironman
- Long aquabike
- Middle aquabike
- Marathon
- + 2 more races
- Sun 31 Aug 2025
Brighton and Hove Triathlon
- Super sprint triathlon 2
- Sprint triathlon
- Olympic triathlon
- Sea swim
- Sprint aquathlon
- + 5 more races