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SwimRun Races
20 to 30km

Our list of swimrun races 20 to 30kmkm covers all events from 20.1 km up to 30km. This page starts with events in Europe, and then moves to the USA and the rest of the World.

You can see our complete race calendars for Europe 2026 here, and you can see our USA/World calendar 2026 here.

If you prefer, you can also search for a swimrun event by country at our dedicated geographic location page.

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Swimrun Races
20 to 30km - Europe

Jump down to USA/Rest of World here

Date

Event

Location

Distance

March

April

19.04.26

Tróia (standard)

Portugal

26.5 km

TBC

Swimrun Costa Brava (half)

Spain

21 km

Swimrun Races
20 to 30km - Europe

May

02.05.26

Mutual Harmony Paris

Jablines-Annet, France

23.4 km

02.05.26

Anjou (middle)

France

26 km

10.05.26

Verdon Gorges

France

26.4 km

16.5.26

Otillo Rugen

Germany

21.7 km

24.5.26

Lagoa (standard)

Portugal

26.3 km

30.05.26

Valmer (Long)

France

25 km

30.05.26

Mutual Harmony Lyon

Lyon, France

23.5 km

Swimrun Events
20 to 30km - Europe

June

06.06.26

EX Runmarö (long)

Sweden

22 km

06.06.26

Valras Plage Challenge

France

21 km

07.06.26

Mustard Bewl Water by Gritty Rascals: (Half solo/team)

21.2 km

No date yet

Mustard Swimrun Nene Park Half - solo/team

21 km

Postponed to 2027

Bilancino Lake Swimrun (Half)

Italy

24.45 km

13.06.26

Swimrun Cote Vermeilles (middle)

France

26.7 km

13.06.26

Studland Swimrun (long)

22.4 km

13.06.26

Sjoloppet Swimrun (long)

Sweden

30 km

13.06.26

Great North Swimrun (middle)

23.2 km

14.06.26

Penacova

Portugal

26 km

20.06.26

Gower Gritty Rascals

U.K.

20.3 km

21.06.26

Vassiviere (classic)

France

23.2 km

27.06.26

Sure-to-Sure

Luxembourg

24.4 km

28.06.26

Backwaterman Swimrun (half)

Austria

23.5 km

TBC

Puruvesi Swimrun (standard)

Finland

24 km

28.06.26

Mustard Grafham Water Half, solo/team

21 km

Swim Run Events
20 to 30km - Europe

July

05.07.26

Swimrun Rheinsberg

Germany

21.4 km

TBC

Slottsrundan Swimrun (long)

Sweden

29 km

11.07.26

Swimrun Kalmar

Sweden

21.6 km

11.07.26

Kuopio Swimrun (long)

Finland

25 km

13.07.26

Aquaterra Bort Les Orgues

France

21 km

Races
20 to 30km

August

08.08.26

Angaloppet Steam Race (long)

Sweden

22 km

22.08.26

Torekov Swimrun

Sweden

23 km

23.08.26

Saimaa Lake, Puumala

Finland

30 km

23.08.26

Grinda Challenge

Sweden

30 km

23.08.26

Great Lakes Laffrey (classic)

France

22.69 km

29.08.26

EX Edsviken

Sweden

24 km

30.08.26

Arendsee Swimrun (half)

Germany

21.1 km

30.08.26

Korrigeri Biarritz (classic)

France

22 km

Races
20 to 30km - Europe

September

TBC

Swimrun Sucinio L

France

23 km

Swimrun competitors wearing blue tops running away from the camera along a wooden boardwalk on a beach at the Swimrun Sucinio race.

Credit Kilian David. Sucinio Swimrun.

06.09.26

Madeira (standard)

Portugal

25.51 km

12.09.26

Swimrun des Gorges de la Loire (average)

France

23.4 km

13.09.26

Hokey Cokey Gribbin Head (long)

22.6 km

TBC 2025

Folkhälsan Swimrun (endurance)

Finland

24.3 km

TBC

Asekol z Ostra

Poland

26 km

13.09.25

Otillo Rügen

North Germany

21.7 km

13.09.25

Gorges de la Loire

France

23.4 km

TBC

Love Swimrun Holy Island (long)

23 km

Swimrun Events
20 to 30km - Europe

20.09.25

Ré Swimrun (L)

France

30 km

20.09.26

Coniston

U.K.

21.1 km

26.09.26

Lauwersmeer Swimrun (long)

Netherlands

28 km

TBC

Urban Challenge Nord

Germany

23.2 km

TBC

Aquaticrunner IWC World Champs (solo)

Italy

26 km

October

11.10.26

Calanques Côte Bleue

France

20.6 km

18.10.26

Zezere Swimrun (standard)

Portugal

24.7 km

TBC

Swim Run Races Balearics

Mallorca, Spain

26 km

TBC

Vale do Lobo Swimrun (standard)

Portugal

24.6 km

18.10.26

Cote D'Azure (long)

France

30 km

TBC

eDreams Cap de Creus (half)

Spain

23 km

A man exiting the water in a swimrun race

Exiting the water at the SwimRun Cap de Creus, Spain!

November

31.10.26

TRIMORE Swimrun Hydra (Core)

Greece

23.4 km

Swimrun Races
20 to 30km - USA/Rest of World

January

31.01.26

Auckland Urban Amphibian

New Zealand

28 km

February

March

07.03.26

Trans Cape Swimrun

Australia

26 km

April

05.04.26

Swimrun Volvic Yaté

New Caledonia

21.1 km

May

TBC

Sunriver Swimrun

Oregon, USA

21 km

31.05.26

Otillo Orcas Island

USA

22.4 km

June

July

Not in 2026

Otillo Whistler

Canada

22.06 km

TBC

Swimrun Victoria (long)

Canada

27 km

26.07.26

Mudskipper St Donat I

Canada

22 km

August

TBC

Swimrun Edmonton (standard)

Canada

23 km

24.08.25

Mudskipper St Donat II

Canada

24 km

TBC

Otillo Mackinac (short)

Michigan, USA

22.8 km

TBC

Otillo Mackinac (Long)

Michigan, USA

30 km

September

27.09.26

Mudskipper Indiana II

Deam Lake, USA

23.6 km

October

11.10.26

Mudskipper SoCal

California, USA

25.8 km

November

08.11.26

Otillo Austin Pace Bend (long)

Texas, USA

25.1 km

CANCELLED

Swimrun Reunion Island (long)

Reunion Island

29.5 km

29.11.26

Frogman King Ammoni-Almyri

Greece

22 km

We hope this guide to swimrun races 10 to 20km is useful!

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Richard Mitchell, BDS, and Mogsy Ford are swimrun competitors and endurance athletes who write from direct racing experience. We have competed in swimrun since 2016, and bring added perspective from competitive running (5K to marathon) and open-water swim racing. This website has been mentioned by The Guardian newspaper. As married teammates, we train together, and build holidays around races. Read more at the 'About Us' page.