Outdoor Swimming Events Swimmers: Find your next swimming challenge using the search options below. Organisers: Showcase your event to thousands of Outdoor Swimmer readers. Search for events Location Find Events Additional Filters From To Category Wetsuit Compulsory Wetsuit Optional Wetsuit Prohibited Wetsuit Temperature Dependent Event Type Dock Swim Estuary Swim Lake Swim Other Outdoor Pool Swim Pool Swim River Swim Sea Swim Your browser does not support JavaScript, or it is disabled. JavaScript must be enabled in order to view listings. Events EDF Aqua Challenge Annecy Annecy, France Lake Swim 13 Apr 13 Apr - 17 Aug The Secret SwimWalks 13 Apr 2025 - 17 Aug 2025 Nr Betws-Y-Coed, North Wales Lake Swim 31 May 31 May - 21 Sep The Menai Strait Swims 31 May 2025 - 21 Sep 2025 Llanfair PG, North Wales Sea Swim 01 Jun 01 Jun - 30 Sep In Search of Memphre 01 Jun 2025 - 30 Sep 2025 Newport, VT, USA Lake Swim 19 Jun 19 Jun - 05 Sep Belgian Coast Swim 19 Jun 2025 - 05 Sep 2025 Nieuwpoort, Belgium Sea Swim 19 Jul 19 Jul - 20 Jul Oceanman Malaysia 19 Jul 2025 - 20 Jul 2025 Kota Kinabalu, Sabah Sea Swim 19 Jul 19 Jul - 26 Jul Traversée internationale du lac St-Jean 19 Jul 2025 - 26 Jul 2025 Roberval, QC, Canada Lake Swim 19 Jul 19 Jul YeAABA Tayport Cup 19 Jul 2025 - Dundee, Scotland Estuary Swim 19 Jul 19 Jul BLDSA Coniston 19 Jul 2025 - Coniston Water, Coniston, Cumbria, UK Lake Swim 19 Jul 19 Jul Castle Swim Series – Belvoir Castle 19 Jul 2025 - Grantham Lake Swim 19 Jul 19 Jul Swim for Hope 19 Jul 2025 - Hurst Point, Milford-on-Sea, Lymington, Hampshire Sea Swim 19 Jul 19 Jul - 20 Jul The Wild Swimming Festival 19 Jul 2025 - 20 Jul 2025 The Amphitheatre, Swanage, Dorset Sea Swim 19 Jul 19 Jul Trans Tahoe Solo/Relay 19 Jul 2025 - Lake Tahoe, NV, USA Lake Swim 20 Jul 20 Jul EDF Aqua Challenge Serre-Ponçon 20 Jul 2025 - Moustiers-Sainte-Marie, France Lake Swim 20 Jul 20 Jul Parry Sound Open Water Swim 20 Jul 2025 - Parry Sound, ON, Canada Lake Swim 20 Jul 20 Jul YeAABA Kirkton of Balmerino 20 Jul 2025 - Dundee, Scotland, Estuary Swim 20 Jul 20 Jul Union Hall RNLI Annual Swim 20 Jul 2025 - Union Hall, Glandore Harbour, Co. Cork Sea Swim 20 Jul 20 Jul TriBourne Festival of Endurance Swim 20 Jul 2025 - Eastbourne, East Sussex Sea Swim 20 Jul 20 Jul BLDSA Coniston Short Course 20 Jul 2025 - Coniston Water, Coniston, Cumbria, UK Lake Swim 20 Jul 20 Jul Plymouth Breakwater Swim 20 Jul 2025 - Jennycliff Bay, Plymouth, Devon Estuary Swim 25 Jul 25 Jul - 27 Jul Oceanman San Andrés 25 Jul 2025 - 27 Jul 2025 San Andrés, Colombia Sea Swim 26 Jul 26 Jul EDF Aqua Challenge Paris 26 Jul 2025 - Paris, France 26 Jul 26 Jul Kingdom Swim 26 Jul 2025 - Newport, VT, USA Lake Swim 27 Jul 27 Jul St. Donat Open Water Swim 27 Jul 2025 - St. Donat, QC, Canada Lake Swim 27 Jul 27 Jul Alpine Fresh Water Swim 27 Jul 2025 - Truckee, CA, USA Lake Swim 27 Jul 27 Jul The Dyfi Aquathlon, Aberdyfi 27 Jul 2025 - Aberdyfi, Gwynedd, North Wales, UK Estuary Swim 27 Jul 27 Jul Burgh Island Swim 27 Jul 2025 - Bigbury on Sea, Nr Kingsbridge, Devon, UK Sea Swim 27 Jul 27 Jul Open Swim Stars Lac Léman-Prangins 27 Jul 2025 - Lac Léman-Prangins, Switzerland Lake Swim 01 Aug 01 Aug - 06 Aug Cap de Creus 30k 01 Aug 2025 - 06 Aug 2025 Girona, Spain Sea Swim 01 Aug 01 Aug - 03 Aug Oceanman Cozumel 01 Aug 2025 - 03 Aug 2025 Cozumel, Mexico Sea Swim 02 Aug 02 Aug St. Michael’s Mount Swim 02 Aug 2025 - Marazion, Cornwall Sea Swim 02 Aug 02 Aug GlommaDyppen 02 Aug 2025 - Fetsund, Lillestrøm, Nr. Oslo, Norway River Swim 02 Aug 02 Aug Swim Your Swim Coniston 02 Aug 2025 - Coniston, Cumbria, UK Lake Swim 02 Aug 02 Aug Snowman Swim 02 Aug 2025 - Plas y Brenin - The National Mountain Sports Centre, Capel Curig, Betws-y-Coed, North Wales, UK Lake Swim 02 Aug 02 Aug - 10 Aug NEK Swim Week 02 Aug 2025 - 10 Aug 2025 Vermont, USA and Quebec, Canada Lake Swim 02 Aug 02 Aug - 02 Aug Dee Mile 2025 02 Aug 2025 @ 05:00 PM - 02 Aug 2025 @ 07:00 PM Chester, Cheshire River Swim 03 Aug 03 Aug Canaqua Sports Midsummer Classic 03 Aug 2025 - Welland, ON, Canada Other 03 Aug 03 Aug Open Swim Stars La Baule 03 Aug 2025 - La Baule, France Sea Swim 03 Aug 03 Aug SwimRutland 03 Aug 2025 - Rutland Water, Whitwell, Oakham, Rutland, UK Lake Swim 03 Aug 03 Aug Big South East Swim 03 Aug 2025 - The Bridge, Dartford, Kent, UK Lake Swim 03 Aug 03 Aug Lock to Lock 10K Swim 03 Aug 2025 - Farmoor, Oxfordshire River Swim 03 Aug 03 Aug Imery’s Kaolinite Swim 03 Aug 2025 - St. Austell, Cornwall Lake Swim 09 Aug 09 Aug - 10 Aug Canaqua Sports Pinawa Multisport Weekend 09 Aug 2025 - 10 Aug 2025 Welland, Manitoba, Canada Lake Swim 09 Aug 09 Aug - 10 Aug X-WATERS Kazakhstan 09 Aug 2025 - 10 Aug 2025 Lake Borovoye, Burabai, Kazakhstan Lake Swim 09 Aug 09 Aug Alpen Adria Swim Cup – Längsee 09 Aug 2025 - Längsee Lake Swim 09 Aug 09 Aug Clevedon Long Swim 09 Aug 2025 - Clevedon, Somerset, UK Sea Swim 09 Aug 09 Aug Wargrave & Shiplake Regatta Swim 09 Aug 2025 - Shiplake River Swim 09 Aug 09 Aug River Adur 5km Swim 09 Aug 2025 - Adur Centre, Shoreham-by-Sea, West Sussex, UK River Swim 09 Aug 09 Aug Nubble Lighthouse Swim 09 Aug 2025 - York, Maine, USA Sea Swim 09 Aug 09 Aug - 10 Aug BLDSA North Lakes Challenge 09 Aug 2025 - 10 Aug 2025 Lake District, UK Lake Swim 09 Aug 09 Aug BLDSA Ullswater 09 Aug 2025 - The Pier House, Glenridding, Penrith, Cumbria, UK Lake Swim 09 Aug 09 Aug Pier2Pier Sea Swim Isle of Wight 09 Aug 2025 - Sandown, Isle of Wight Sea Swim 09 Aug 09 Aug - 09 Aug Pub2Pub 09 Aug 2025 @ 05:00 PM - 09 Aug 2025 Bantham, South Devon Sea Swim 10 Aug 10 Aug YeAABA Stannergate 10 Aug 2025 - Dundee, Scotland, UK Estuary Swim 10 Aug 10 Aug Swim Docklands @ London T100 10 Aug 2025 - Royal Victoria Dock, London Dock Swim 10 Aug 10 Aug Dedham Vale Mill 2 Mill Slow Swim and Picnic 10 Aug 2025 - Dedham, Colchester, Essex, UK River Swim 10 Aug 10 Aug BLDSA Derwentwater 10 Aug 2025 - Keswick, Cumbria, UK Lake Swim 10 Aug 10 Aug Brooklyn Bridge Swim 10 Aug 2025 - Brooklyn, NY River Swim 16 Aug 16 Aug Windermere One Way Swim 16 Aug 2025 - Fell Foot Park, Windermere, Cumbria, UK Lake Swim 16 Aug 16 Aug YeAABA Loch Earn 16 Aug 2025 - Lochearnhead, Perthshire, Scotland Lake Swim 16 Aug 16 Aug Dock2Dock 16 Aug 2025 - London Royal Docks, Royal Docks Watersports, London, UK Dock Swim 16 Aug 16 Aug Go Swim Loch Tay 16 Aug 2025 - Taymouth Marina, Kenmore, Aberfeldy, UK Lake Swim 17 Aug 17 Aug Rose Pitonof Marathon Swim 17 Aug 2025 - New York, NY 17 Aug 17 Aug Nova Scotia Open Water Swim 17 Aug 2025 - Halifax, NS, Canada Lake Swim 17 Aug 17 Aug Parry Sound Ultra Swim 17 Aug 2025 - Parry Sound, ON, Canada, Lake Swim 17 Aug 17 Aug YeAABA Half Loch Earn 17 Aug 2025 - Lochearnhead, Perthshire, Scotland Lake Swim 17 Aug 17 Aug YeAABA Crannog Isle 17 Aug 2025 - Lochearnhead, Perthshire, Scotland Lake Swim 17 Aug 17 Aug Severn Mile 17 Aug 2025 - Quarry Park, Shrewsbury River Swim 23 Aug 23 Aug BISRA GaddinAbtGarnish Swim 2025.2 23 Aug 2025 - Garnish Island, Glengarriff, Co. Cork Estuary Swim 23 Aug 23 Aug - 24 Aug BLDSA Loch Lomond 23 Aug 2025 - 24 Aug 2025 Ardlui, nr Arrochar, Scotland Lake Swim 24 Aug 24 Aug Lake Tahoe Open Water Swim 24 Aug 2025 - Lake Tahoe West Shore, CA, USA Lake Swim 29 Aug 29 Aug - 30 Aug TrygFonden Copenhagen Swim (Christiansborg Rundt) 29 Aug 2025 - 30 Aug 2025 - River Swim 29 Aug 29 Aug - 31 Aug Oceanman Salinas 29 Aug 2025 - 31 Aug 2025 Salinas, Ecuador Sea Swim 29 Aug 29 Aug - 31 Aug Oceanman Aktau 29 Aug 2025 - 31 Aug 2025 Aktau, Kazakhstan Lake Swim 30 Aug 30 Aug Roadford Lake Swim Autumn 30 Aug 2025 - Broadwoodwidge, Lifton, Devon Lake Swim 30 Aug 30 Aug Hellespont & Dardanelles Swim 30 Aug 2025 - Canakkale, Turkey Sea Swim 30 Aug 30 Aug SwimRutland Night Swim 30 Aug 2025 - Whitwell Creek, Rutland Water, Oakham, Rutland, UK Lake Swim 30 Aug 30 Aug BLDSA Windermere 30 Aug 2025 - Fell Foot Park, Newby Bridge, Cumbria, UK Lake Swim 30 Aug 30 Aug Go Swim Loch Lomond 30 Aug 2025 - Drumkinnon Bay, Balloch, Alexandria, West Dumbartonshire, Scotland, UK Lake Swim 30 Aug 30 Aug - 31 Aug 24hr Swim Relay – Watersedge 30 Aug 2025 - 31 Aug 2025 Watersedge, Worcester Lake Swim 31 Aug 31 Aug EDF Aqua Challenge Toulon 31 Aug 2025 - Toulon, France Sea Swim 31 Aug 31 Aug Brighton & Hove 1500m Open Water Sea Swim 31 Aug 2025 - Brighton, East Susssex Sea Swim 02 Sep 02 Sep Scilly Swim Challenge 1-Day Event 02 Sep 2025 - St Mary’s, Isles of Scilly, UK Sea Swim 04 Sep 04 Sep Tresco 360 Challenge 04 Sep 2025 - Tresco, Isles of Scilly Sea Swim 06 Sep 06 Sep Roermond City Swim 06 Sep 2025 - Roermond, Netherlands Lake Swim 06 Sep 06 Sep YeAABA Club Senior Championship 06 Sep 2025 - Dundee, Scotland River Swim 06 Sep 06 Sep Swim Party Algarve 06 Sep 2025 - Carvoeiro, Algarve Sea Swim 06 Sep 06 Sep - 07 Sep EDF Aqua Challenge Six-Fours 06 Sep 2025 - 07 Sep 2025 Six-Fours-Les-Plages, France Sea Swim 06 Sep 06 Sep Aquasphere Chillswim Windermere 11 Miles End to End 06 Sep 2025 - Fell Foot Park, Newby Bridge, Ulverston Lake Swim 06 Sep 06 Sep Swim Coppet 2025 06 Sep 2025 - Coppet Hall Beach, Saundersfoot, Pembrokeshire, UK Sea Swim Load more events