Charity Swims & Triathlons
Pool challenges, open water swims, and triathlons.
What to expect
Build confidence in training and arrive ready for event day.
Upcoming Charity Swims & Triathlons
Choose a date and jump to booking details.
Swimathon
World's biggest annual pool-based fundraising swim, celebrating 40th anniversary. Over 450 pools across UK participate.
Swimathon
World's biggest annual pool-based fundraising swim, celebrating 40th anniversary. Over 450 pools across UK participate.
Swimathon
World's biggest annual pool-based fundraising swim, celebrating 40th anniversary. Over 450 pools across UK participate.
Swimathon
World's biggest annual pool-based fundraising swim, celebrating 40th anniversary. Over 450 pools across UK participate.
Blenheim Palace Triathlon
One of Europe's most spectacular triathlons at UNESCO World Heritage Site Blenheim Palace. Swim takes place in the Great Lake.
Blenheim Palace Triathlon
One of Europe's most spectacular triathlons at UNESCO World Heritage Site Blenheim Palace. Swim takes place in the Great Lake.
IRONMAN 70.3 Bolton
First race of 2026 IRONMAN England season. Swim at Pennington Flash Nature Reserve, bike through scenic Greater Manchester, run through Bolton Town Centre.
Great North Swim
The UK's biggest open water swimming event with over 10,000 participants annually. Takes place in Lake Windermere, a UNESCO World Heritage Site.
Great North Swim
The UK's biggest open water swimming event with over 10,000 participants annually. Takes place in Lake Windermere, a UNESCO World Heritage Site.
Great North Swim
The UK's biggest open water swimming event with over 10,000 participants annually. Takes place in Lake Windermere, a UNESCO World Heritage Site.
Great North Swim
The UK's biggest open water swimming event with over 10,000 participants annually. Takes place in Lake Windermere, a UNESCO World Heritage Site.
Great North Swim
The UK's biggest open water swimming event with over 10,000 participants annually. Takes place in Lake Windermere, a UNESCO World Heritage Site.
Great North Swim
The UK's biggest open water swimming event with over 10,000 participants annually. Takes place in Lake Windermere, a UNESCO World Heritage Site.
Chillswim Coniston End to End
5.25 mile end-to-end swim of stunning Coniston Water in the Lake District.
Long Course Weekend Wales
Multi-day festival with 11,000+ athletes from 56 nations. Individual events across swimming, cycling, and running over 3 days at Tenby.
Long Course Weekend Wales
Multi-day festival with 11,000+ athletes from 56 nations. Individual events across swimming, cycling, and running over 3 days at Tenby.
Bournemouth Pier to Pier Swim
1.4 mile open water swim in the English Channel from Boscombe Pier to Bournemouth Pier.
Dart 10K
UK's original marathon-distance outdoor swim, tide-assisted journey along the River Dart from Totnes to Greenway Estate.
Rat Race Man vs Mountain
Iconic mountain challenge in Snowdonia featuring trail running, wild swimming, and scrambling.
Rat Race Man vs Mountain
Iconic mountain challenge in Snowdonia featuring trail running, wild swimming, and scrambling.
IRONMAN 70.3 Swansea
Scenic coastal race along Wales' southern coast. Swim in Prince of Wales Dock, bike along Swansea Bay.
London T100 Triathlon
World Triathlon Championship Series event at the ExCeL Exhibition Centre, Royal Victoria Dock.
London T100 Triathlon
World Triathlon Championship Series event at the ExCeL Exhibition Centre, Royal Victoria Dock.
Chillswim Windermere End to End
England's longest swim - 11 miles end to end of Lake Windermere.
Plan your fundraising
Use these guides to prepare, train, and set your fundraising goals.