Outdoor Swimming Events

Swimmers: Find your next swimming challenge using the search options below.

Organisers: Showcase your event to thousands of Outdoor Swimmer readers.

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Events

26
Oct
26
Oct
-
29
Mar

Awaken Your Blue Mind Winter Challenge

26 Oct 2025 - 29 Mar 2026
Various locations
Other
01
Dec
01
Dec
-
28
Feb

Icebreaker DIY

01 Dec 2025 - 28 Feb 2026
Various locations
Other
24
Feb
24
Feb
-
01
Mar

World Cup Skellefteå

24 Feb 2026 - 01 Mar 2026
Skellefteå, Sweden
Lake Swim
02
Mar
02
Mar
-
08
Mar

Winter Swimming World Championship 2026

02 Mar 2026 - 08 Mar 2026
Oulu, Finland
River Swim
07
Mar
07
Mar
-
08
Mar

Oceanman Cordoba

07 Mar 2026 - 08 Mar 2026
Cordoba, Argentina
Sea Swim
07
Mar
07
Mar

Legend of the Lake

07 Mar 2026 -
Rotorua, NZ
Lake Swim
13
Mar
13
Mar
-
15
Mar

Aqua and Ice – Ice Miles

13 Mar 2026 - 15 Mar 2026
Lake Achensee
Lake Swim
14
Mar
14
Mar

Festival of Chill at Jesus Green Lido

14 Mar 2026 -
Jesus Green Lido, Cambridge
Outdoor Pool Swim
15
Mar
15
Mar

Bell Buoy Challenge

15 Mar 2026 -
Nelson Mandela Bay
Sea Swim
20
Mar
20
Mar
-
22
Mar

Oceanman Lima

20 Mar 2026 - 22 Mar 2026
Playa Agua Dulce Corrillos, Lima, Peru
Sea Swim
21
Mar
21
Mar
-
22
Mar

Lake Karapiro Swim Fest

21 Mar 2026 - 22 Mar 2026
Waikato, NZ
Lake Swim
28
Mar
28
Mar

Nevis to St. Kitts Cross Channel Swim

28 Mar 2026 -
Oualie Beach, Nevis, St. Kitts & Nevis
Sea Swim
28
Mar
28
Mar
-
29
Mar

Défi du Lac Bleu

28 Mar 2026 - 29 Mar 2026
Morillon
Lake Swim
28
Mar
28
Mar

Icy Dip End of Season Cold Water Swim Event

28 Mar 2026 -
Nr South Cerney, Cotswold Lakes, (formerly Cotswold Water Park), Gloucestershire
Lake Swim
28
Mar
28
Mar
-
29
Mar

Oceanman Krabi

28 Mar 2026 - 29 Mar 2026
Krabi, Thailand
Sea Swim
04
Apr
04
Apr
-
05
Apr

Oceanman Salvador-Bahia

04 Apr 2026 - 05 Apr 2026
Porto da Barra Beach, Salvador Bahia, Brazil
Sea Swim
10
Apr
10
Apr
-
11
Apr

Oceanman Maldives

10 Apr 2026 - 11 Apr 2026
Bikini Beach, Maafushi, Maldives
Sea Swim
11
Apr
11
Apr

Natural Spring Water Challenge

11 Apr 2026 -
New Bath Hotel and Spa, Matlock Bath, Derbyshire
Outdoor Pool Swim
18
Apr
18
Apr

The Mount Swim

18 Apr 2026 -
Mount Maunganui, Tauranga, NZ
Sea Swim
24
Apr
24
Apr

Cool Mile, Tal Y Llyn

24 Apr 2026 -
Llyn Mywngil, Tal Y Llyn, Tywyn, Gwynedd, North Wales, UK
25
Apr
25
Apr
-
26
Apr

SCAR Swim Arizona Challenge

25 Apr 2026 - 26 Apr 2026
Mesa, Arizona, USA
Lake Swim
01
May
01
May

“Full Moon” Moonlight Swim

01 May 2026 -
Box End Park, Bedford
Lake Swim
02
May
02
May

Copa Marnaton eDreams – Formentera

02 May 2026 -
Formentera, Balearic Islands, Spain
Sea Swim
03
May
03
May

Osez Hourtin

03 May 2026 -
Hourtin
Lake Swim
09
May
09
May

Burghley Multisport WeekendSwim

09 May 2026 -
Stamford, Lincolnshire, UK
Lake Swim
09
May
09
May
-
10
May

Oceanman Costa Azahar

09 May 2026 - 10 May 2026
Oropesa del Mar, Castellon, Spain
Sea Swim
10
May
10
May

Neda el Món Medes Islands Crossing

10 May 2026 -
Estartit, Spain
Sea Swim
10
May
10
May

Sasamat Ice Cracker Open Water Swim

10 May 2026 -
Port Moody, BC
Lake Swim
15
May
15
May
-
18
May

UltraSwim 33.3 – #12Croatia

15 May 2026 - 18 May 2026
Stari Grad, Croatia
Sea Swim
16
May
16
May

Greater Manchester Swim!

16 May 2026 -
Dock 9, Salford Quays, Salford, UK
Other
16
May
16
May

Roadford Lake Swim

16 May 2026 -
Broadwoodwidger, Lifton, Devon, UK
Lake Swim
16
May
16
May

Gaelforce Great River Swim

16 May 2026 -
Lanesborough, Co. Longford, Ireland
River Swim
16
May
16
May
-
17
May

Oceanman Curaçao

16 May 2026 - 17 May 2026
Willemstad, Curaçao
Sea Swim
16
May
16
May
-
17
May

X-Waters Belgrade

16 May 2026 - 17 May 2026
Ada Ciganlija Lake, Belgrade
Lake Swim
16
May
16
May

Copa Marnton eDreams – Sitges

16 May 2026 -
Sitges
Sea Swim
17
May
17
May

BLDSA Thrybergh Country Park

17 May 2026 -
Thrybergh Country Park, Nr. Rotherham, South Yorkshire
Lake Swim
17
May
17
May

F4YP Wild Swimathon

17 May 2026 -
Box End Park, Bedford
Lake Swim
23
May
23
May

Castle Swim Series – Lough Cutra Castle

23 May 2026 -
Gort, Co. Galway, Ireland
Lake Swim
23
May
23
May
-
24
May

La Traversée des Salines

23 May 2026 - 24 May 2026
Les Sables d’Olonne
Sea Swim
23
May
23
May
-
24
May

Oceanman Cattolica

23 May 2026 - 24 May 2026
Cattolica, Rimini, Emilia Romagna, Italy
Sea Swim
23
May
23
May
-
24
May

SWIMTHEISLAND San Teodoro

23 May 2026 - 24 May 2026
San Teodoro, Sardinia, Italy
Sea Swim
23
May
23
May
-
24
May

BEST Fest 2026

23 May 2026 - 24 May 2026
Colonia Sant Jordi, Mallorca,, Balearic Is., Spain
Sea Swim
23
May
23
May

Alpen Adria Swim Cup – Klopeiner See

23 May 2026 -
St. Kanzian am Klopeiner See
Lake Swim
23
May
23
May

The Swansea Swim

23 May 2026 -
Swansea Bay, Swansea, Wales, UK
Sea Swim
24
May
24
May

SwimAthy

24 May 2026 -
Athy, Co. Kildare, Ireland
River Swim
30
May
30
May

Enduro Mass Swim Series 1

30 May 2026 -
Box End Park, Bedford
Lake Swim
30
May
30
May

Oceanman Tabarca

30 May 2026 -
Tabarca, Spain
Sea Swim
30
May
30
May

Open Swim Stars Lacanau

30 May 2026 -
Lac de Lacanau, France
Lake Swim
03
Jun
03
Jun

Capernwray Midweek Swim Series – June

03 Jun 2026 -
Capernwray Dive Centre, Carnforth, Lancashire, UK
Lake Swim
03
Jun
03
Jun
-
09
Jun

British Long Distance Week

03 Jun 2026 - 09 Jun 2026
Studland, Dorset
Sea Swim
05
Jun
05
Jun
-
07
Jun

Castle to Castle Challenge

05 Jun 2026 - 07 Jun 2026
New Forest National Park
Sea Swim
06
Jun
06
Jun

Fishguard Swim

06 Jun 2026 -
Fishguard, Pembrokeshire, Wales
Sea Swim
06
Jun
06
Jun

World Ocean Day Swim

06 Jun 2026 -
Durban, South Africa
Sea Swim
12
Jun
12
Jun
-
14
Jun

Great North Swim

12 Jun 2026 - 14 Jun 2026
Windermere, Lake District, UK
Lake Swim
13
Jun
13
Jun

Great North SwimRun

13 Jun 2026 -
Windemere, Lake District, UK
Lake Swim
13
Jun
13
Jun

Alpen Adria Swim Cup – Portorož

13 Jun 2026 -
Portorož
Sea Swim
13
Jun
13
Jun

BLDSA Champion of Champions (South)

13 Jun 2026 -
Dover Harbour, Kent, UK
Sea Swim
20
Jun
20
Jun

Old Harry Swim Challenge

20 Jun 2026 -
Knoll Beach, Studland, Dorset
Sea Swim
20
Jun
20
Jun

Buzzards Bay Swim

20 Jun 2026 -
New Bedford, MA, USA
Sea Swim
21
Jun
21
Jun

“Summer Solstice” Sunrise Swim & SUP

21 Jun 2026 -
Box End Park, Bedford
Lake Swim
26
Jun
26
Jun

The Zone3 Wales Swim

26 Jun 2026 -
North Beach, Tenby, Pembrokeshire, Wales, UK
Sea Swim
27
Jun
27
Jun
-
28
Jun

SWIM FEST Dusk to Dawn Swim

27 Jun 2026 - 28 Jun 2026
Jubilee Park Lido, Woodhall Spa, Lincolnshire
Pool Swim
27
Jun
27
Jun

Alpen Adria Swim Cup – Ossiacher See

27 Jun 2026 -
Lake Ossiach
Lake Swim
27
Jun
27
Jun

BLDSA Coniston Swim to the Sunset

27 Jun 2026 -
Coniston Water, Coniston, Cumbria
Lake Swim
01
Jul
01
Jul

Capernwray Midweek Swim Series – July

01 Jul 2026 -
Capernwray Dive Centre, Carnforth, Lancashire, UK
Lake Swim
03
Jul
03
Jul
-
04
Jul

UltraEbre Swim Marathon

03 Jul 2026 - 04 Jul 2026
Tortosa, Spain
River Swim
04
Jul
04
Jul

BLDSA Bala (North Wales)

04 Jul 2026 -
Llangower, Lake Bala, Gwynedd, North Wales, UK
Lake Swim
11
Jul
11
Jul

Gaelforce Great Lake Swim

11 Jul 2026 -
Lough Derg, Mountshannon, Co. Clare, Ireland
Lake Swim
11
Jul
11
Jul

Enduro Mass Swim Series 2

11 Jul 2026 -
Box End Park, Bedford
Lake Swim
11
Jul
11
Jul

BLDSA Torbay

11 Jul 2026 -
Torquay, Devon, UK
Sea Swim
18
Jul
18
Jul
-
19
Jul

The Wild Swimming Festival

18 Jul 2026 - 19 Jul 2026
Swanage, Dorset
Sea Swim
24
Jul
24
Jul
-
27
Jul

UltraSwim33.3 – #14Switzerland

24 Jul 2026 - 27 Jul 2026
Lake Geneva (Lac Léman), Switzerland
Lake Swim
01
Aug
01
Aug

GlommaDyppen

01 Aug 2026 -
Fetsund, Lillestrøm, Nr. Oslo, Norway
River Swim
01
Aug
01
Aug
-
02
Aug

BLDSA 2 Way Windermere

01 Aug 2026 - 02 Aug 2026
Glenridding, Cumbria
Lake Swim
05
Aug
05
Aug

Capernwray Midweek Swim Series – August

05 Aug 2026 -
Capernwray Dive Centre, Carnforth, Lancashire, UK
Lake Swim
08
Aug
08
Aug

Nubble Lighthouse Swim

08 Aug 2026 -
York, Maine, USA
Sea Swim
08
Aug
08
Aug

Alpen Adria Swim Cup – Längsee

08 Aug 2026 -
Längsee
Lake Swim
08
Aug
08
Aug

BLDSA Ullswater

08 Aug 2026 -
The Pier House, Glenridding, Penrith, Cumbria, UK
Lake Swim
09
Aug
09
Aug

BLDSA Ullswater Relay

09 Aug 2026 -
Glenridding, Lake District
Lake Swim
15
Aug
15
Aug

Windermere One Way Swim

15 Aug 2026 -
Fell Foot, Windermere, Cumbria, UK
Lake Swim
28
Aug
28
Aug
-
29
Aug

TrygFonden Copenhagen Swim (Christiansborg Rundt)

28 Aug 2026 - 29 Aug 2026
Copenhagen
River Swim
28
Aug
28
Aug

“Blood Moon” Moonlight Swim

28 Aug 2026 -
Box End Park, Bedford
Lake Swim
28
Aug
28
Aug
-
29
Aug

BLDSA Loch Lomond

28 Aug 2026 - 29 Aug 2026
Ardlui, nr Arrochar, Scotland
Lake Swim
29
Aug
29
Aug

Enduro Mass Swim Series 3

29 Aug 2026 -
Box End Park, Bedford
Lake Swim
29
Aug
29
Aug

BLDSA Windermere

29 Aug 2026 -
Fell Foot Park, Newby Bridge, Cumbria, UK
Lake Swim
05
Sep
05
Sep
-
06
Sep

X-WATERS Slovenia 2026 powered by IFS

05 Sep 2026 - 06 Sep 2026
Lake Bled, Slovenia
05
Sep
05
Sep

BLDSA St Mary’s Loch

05 Sep 2026 -
Selkirk, Scotland
Lake Swim
12
Sep
12
Sep

Gaelforce Great Fjord Swim

12 Sep 2026 -
Connemara, Co. Galway, Ireland
Sea Swim
12
Sep
12
Sep

Alpen Adria Swim Cup – Wörthersee

12 Sep 2026 -
-
Lake Swim
18
Sep
18
Sep
-
21
Sep

UltraSwim 33.3 – #15Greece

18 Sep 2026 - 21 Sep 2026
Skopelos, Sporades Islands
Sea Swim