ABCDEFGHIJKLMNOPQRSTUVWXYZAA
1
Open Water Swimming Events 2025
2
NameWebsiteDateDistancesLocation Price
3
January UK Cold Water Swimming Championshipshttps://www.slsc.org.uk/cwscSaturday 25th JanTooting Bec Lido, London
4
5
February The Really Cold Championshipshttps://www.reallycold.uk/TBC50/100/200/450m free, 50m fly, 50m breaststroke & 4x50m FC relayRother Valley Country Park, Sheffield
6
7
March
8
9
AprilThe Cool MileTal Y Llyn - WESWIMRUNSaturday 5th April1 mileTal Y Llyn, Snowdonia, Wales£50
10
The Cool Mile - Liverpoolweswimrun.org/store/p381/coolmile-liverpool.htmlSaturday 12th April1 milePrinces Dock, Liverpool £25
11
12
MayTal Y Llyn Swimrunhttps://www.weswimrun.org/tal-y-llyn1.htmlSunday 11th May9.8km run + 2km swim (8 transitions)Tal Y Llyn, Snowdonia, Wales £70Organiser WeSwimRun have confirmed for Club members you can have a 15% discount on entry.
13
Gaelforce River Swim *Gaelforce Trilogy*Open Water Swimming Events Ireland - River ShannonSaturday 17th May5.8km / 3.1km / 800mLanesborough, Co Longford, Ireland£65.60 (76 euros)
14
Greater Manchester SwimGreater Manchester Swim! - Open Water Swim Event | UswimSaturday 17th May3 miles / 1 mile / 500mSalford Dock, Manchester£30 - £55
15
BLDSA Thryberghhttps://bldsa.org.uk/swim/championship-events/Saturday 18th May1km/3km/5km solo & 5km relayThrybergh Reservoir, South Yorkshire (Doncaster Road, Thrybergh, Rotherham, South Yorkshire. S65 4NU)£10 - £45
16
Keswick Mountain FestivalKeswick Mountain FestivalFriday 16th - Sunday 18th May VariousCrow Park, Keswick, Cumbria. CA12 5DJ.
17
Swansea SwimThe Swansea SwimSaturday 24th May750m/1.5km/3kmPrince of Wales Dock, Swansea, Wales£20 - £40
18
19
R5DDock2DockFriday 6 - Sunday 8 June 1km, 3km & 5kmLondon Royal Victoria Dock, London35-45
20
JuneWild Dart Swim and AquathlonWild Dart Swim and Aquathlon | (wildrunning.co.uk)Saturday 7th June5km swim only/5km swim + 10km run/2.5km swim + runRiver Dart, Totnes, Devon£50 - £80
21
Dartmouth Open Water SwimDartmouth Open Water Swim | Sat 7 Jun 2025 | TimeOutdoorsSaturday 7th June750m/1500m/3km sea swimBlackpool Sands, Dartmouth£30 - £47
22
24 Hour Relay: Sheppertonhttps://www.levelwater.org/24hr-sheppertonSaturday 7th - Sunday 8th June1 to 8 person relay - swim for an hour each for 24 hours - as far as you can!Shepperton Lake, West London£40 entry + £200 charity fundraising target
23
Bradford-on-avon Slow Swim & Picnichttps://slowswimming.org/Saturday 7th June1.6kmRiver Avon, Barton Farm, Bradford-on-Avon£20
24
Great North SwimArla Great North SwimFriday 13th - Sunday 15th June250m/0.5 mile/1mile/2miles/5km/10kmLake Windermere, Lake District£19 - £89
25
24 Hour Relay: Clevedon24hr Clevedon — Level Water: The Power of SwimmingSaturday 14th - Sunday 15th June1 to 8 person relay - swim for an hour each for 24 hours - as far as you can!Clevedon Marine Lake, near Bristol£40 entry + £200 charity fundraising target
26
Cardiff Bay Swimhttps://alwaysaimhighevents.com/events/cardiff-bay-swim-2025/Saturday 21st June750m/1.9km/3.8kmCardiff Bay £20-£58
27
Chillswim: Coniston (*Triple Crown*)https://chillswim.com/chillswim-coniston-end-to-end/Saturday 21st June5.25 milesConiston Water, Lake District£49.50 charity/£105 general
28
Brighton Pier2PierBrighton Pier to PierSunday 22nd June1kmBrighton Pier, Brighton
29
24 Hour Relay: TriFarmhttps://www.levelwater.org/24hr-trifarmSaturday 28th - Sunday 29th1 to 8 person relay - swim for an hour each for 24 hours - as far as you can!TriFarm, nr Chelmsford, Essex£40 entry + £200 charity fundraising target
30
Swim England South East Region Open Water Championships 2025https://www.southeastswimming.org/open-water/south-east-region-open-water-championships-2025/Sunday 29th June2km/3kmMercers Lake, Mercers Park, Redhill, RH1 4EW£30
31
32
The Big Welsh SwimThe BIG Welsh Swim - Love SwimRunSaturday 5th July500m/1.3km/3km/6km/9kmLlanberis, N.Wales£33 - £89
33
Bournemouth Pier to PierBournemouth Pier to Pier Swim 2025 - BHFSaturday 5th July2.3 milesBoscombe Pier to Bournemouth Pier, Bournemouth£50
34
Cambridge Slow Swim & Picnic Cambridge Slow Swim and Picnic – Slow SwimmingSaturday 5th July1.2km/2.5kmRiver Cam, Grantchester, Cambridge£20
35
SE London Region Open Water Swimming Championships 2025https://www.swimming.org/london/open-water-competitions/Sunday 6th July1km/2km/3km/5kmDocklands Sailing and Watersports Centre, 235A Westferry Road, Docklands, London E14 3QS1km - £25
2km/3km/5km - £35
36
Gaelforce Lake Swim *Gaelforce Trilogy*GAELFORCE GREAT LAKE SWIMSaturday 12th July750m/2km/3.9kmLough Derg, Mountshannon, Ireland£35
37
Chillswim: Ullswater (*Triple Crown*)https://chillswim.com/chillswim-ullswater-end-to-end/Saturday 12th July7.5 milesParkfoot Holiday Park, Ullswater, Lake District£145
38
JulyBantham Swoosh/Bantham Boomerang Bantham Swoosh — Level Water: The Power of SwimmingSat 12th July & Sun 13th July6kmAveton Gifford/Bantham Beach, Devon£60 charity + Fundraising target. £70 volunteer tickets (volunteer Sat, swim Sun) or General entry £120.
39
Swim England East Region
2025 Regional Open Water Championships		https://www.swimming.org/calendar/all/east-region-open-water-championships-2/Sunday 13th July1km/2km/3km/5kmWhitlingham Adventure, Whitlingham Lane, Norwich, NR14 8TR1km - £25
2km/3km/5km - £30
40
The Wild Swimming FestivalThe Wild Swimming FestivalSaturday 19th - Sunday 20th July2km/4km Jurassic swim challenge + various other eventsSwanage Bay, Dorset£59 - £69
41
GoCardless Swim England National Masters Open Water Championship https://www.swimming.org/openwater/about-national-masters-championships/Sunday 27th JulyRother Valley Country Park, Sheffield
42
The Dyfi Aberdyfi - WESWIMRUNSunday 27th July13km swim (also an aquathlon option to swim 13km then run back 13km)Aberdyfi River Estuary, Wales£90
43
44
AugustSnowman Swimhttps://alwaysaimhighevents.com/events/snowman-swim-2025Saturday 2nd Aug1km/2km/2.4 milesLlynnau Mymbyr, Snowdonia, Wales£40 - £50
45
Swim Rutlandhttps://www.pacesetterevents.com/swimrutlandSunday 3rd Aug500m/2km/4km/8kmWhitwell, Normanton, Rutland Water£25/£42/£64
46
Isle of Wight Pier 2 Pierhttps://iowmarlinsswimclub.co.uk/2025-pier2pier-sea-swim/Saturday 9th Aug1.8milesSandown Pier£43
47
Mill 2 Mill Slow Swim & Picnichttps://slowswimming.org/mill2millSunday 10th Aug1.2km/2.2kmDedham Mill to Flatford Mill, near Colchester, Essex£19
48
Dock2Dock
https://lovesportsevents.co.uk/dock2dock-2025/
Saturday 16th Aug1.5km/3km/5km/10km/15km - extra special 20km optionLondon Royal Victoria Dock, London£45 - £155
49
Imerys Kaolinite
KAOLINITE | Mad Hatter Sports (madhattersportsevents.co.uk)
Sunday 17th Aug3km swim/ 15km trail run / Solo or Relay (can do both or just one)Blackpool Pit, St Austell£35 - £60
50
Roadford Lake SwimRoadford Lake Swim - Sportiva EventsSaturday 30th Aug500m/750m/1.5km/2.5km/5kmRoadford Lake, Devon£30-£50
51
Great East Skinny Diphttps://slowswimming.org/geskinnySaturday 30th Aug1km sea swimClacton-on-sea£13
52
Something Wild FestivalSomething Wild Festival - SwimRun, Trail Running and Wild Swim 2024 | Fri 30 Aug | Book @ Findarace31/08/2024 - 01/09/2024VariousKingsbridge, DevonVarious
53
54
September Chill swim: Windermere (*Triple Crown*)https://chillswim.com/chillswim-windermere-end-to-end/Saturday 6th Sept11 milesFell Foot Park, Lake Windermere, Lake District £225
55
Gaelforce Great Fjord Swim *Gaelforce Trilogy*https://gaelforceevents.com/en/gaelforce-great-fjord-swim-routeSaturday 13th Sept750m/2km/3.9kmKillary Fjord
56
Dart10KDart10k — Level Water: The Power of SwimmingSat 13th Sept & Sun 14th Sept 10kmTotnes, Devon£60 charity places + fundraising target. £70 volunteer places (volunteer Sat, swim Sun) or General entry £120.
57
24 Hour Relay: Lake 3224hr Lake32 — Level Water: The Power of SwimmingTBC1 to 8 person relay - swim for an hour each for 24 hours - as far as you can! Lake 32, Cotswolds£40 entry + £200 charity fundraising target
58
Swim SerpentineSwim SerpentineSaturday 20th Sept 0.5mile/1mile/2mile/super 6Serpentine Lake, Hyde Park, London
59
Castle Swim Series - Hever Castlehttps://www.castleraceseries.com/events/hever-castle/Saturday 27th Sept1mile/2.5km/5km (multi sport event weekend with triathlon, duathlon and aquathlon also happening)Hever Castle, Kent£45-£65
60
61
OctoberHurly BurlyHurly Burly — Level Water: The Power of SwimmingFriday 10th Oct10km swim (+10km run also optional)Barmouth, Wales£60 charity/£120 general
62
63
November
64
65
December Mincie Pie DipTBCBrockwell Lido, London
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100