Helping swimrun athletes since 2016
SwimRun Races
20 to 30km
By Richard Mitchell and Mogsy Ford
Updated March 2026
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 |
France |
26.4 km |
|
16.5.26 |
Germany |
21.7 km |
|
24.5.26 |
Lagoa (standard) |
Portugal |
26.3 km |
|
30.05.26 |
Valmer (Long) |
France |
25 km |
|
30.05.26 |
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) |
UK |
21.2 km |
|
No date yet |
Mustard Swimrun Nene Park Half - solo/team |
UK |
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) |
UK |
22.4 km |
|
13.06.26 |
Sjoloppet Swimrun (long) |
Sweden |
30 km |
|
13.06.26 |
Great North Swimrun (middle) |
UK |
23.2 km |
|
14.06.26 |
Portugal |
26 km |
|
20.06.26 |
U.K. |
20.3 km |
|
21.06.26 |
Vassiviere (classic) |
France |
23.2 km |
|
27.06.26 |
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 |
UK |
21 km |
Swim Run Events
20 to 30km - Europe
July
|
05.07.26 |
Germany |
21.4 km |
|
TBC |
Slottsrundan Swimrun (long) |
Sweden |
29 km |
|
11.07.26 |
Sweden |
21.6 km |
|
11.07.26 |
Kuopio Swimrun (long) |
Finland |
25 km |
|
13.07.26 |
France |
21 km |
Races
20 to 30km
August
|
08.08.26 |
Angaloppet Steam Race (long) |
Sweden |
22 km |
|
22.08.26 |
Sweden |
23 km |
|
23.08.26 |
Saimaa Lake, Puumala |
Finland |
30 km |
|
23.08.26 |
Sweden |
30 km |
|
23.08.26 |
Great Lakes Laffrey (classic) |
France |
22.69 km |
|
29.08.26 |
Sweden |
24 km |
|
30.08.26 |
Arendsee Swimrun (half) |
Germany |
21.1 km |
|
30.08.26 |
France |
22 km |
Races
20 to 30km - Europe
September
|
TBC |
France |
23 km |
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) |
UK |
22.6 km |
|
TBC 2025 |
Folkhälsan Swimrun (endurance) |
Finland |
24.3 km |
|
TBC |
Poland |
26 km |
|
13.09.25 |
North Germany |
21.7 km |
|
13.09.25 |
France |
23.4 km |
|
TBC |
Love Swimrun Holy Island (long) |
UK |
23 km |
Swimrun Events
20 to 30km - Europe
|
20.09.25 |
Ré Swimrun (L) |
France |
30 km |
|
20.09.26 |
U.K. |
21.1 km |
|
26.09.26 |
Lauwersmeer Swimrun (long) |
Netherlands |
28 km |
|
TBC |
Germany |
23.2 km |
|
TBC |
Italy |
26 km |
October
|
11.10.26 |
France |
20.6 km |
|
18.10.26 |
Zezere Swimrun (standard) |
Portugal |
24.7 km |
|
TBC |
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 |
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 |
New Zealand |
28 km |
February
March
|
07.03.26 |
Australia |
26 km |
April
|
05.04.26 |
New Caledonia |
21.1 km |
May
|
TBC |
Oregon, USA |
21 km |
|
31.05.26 |
USA |
22.4 km |
June
July
|
Not in 2026 |
Canada |
22.06 km |
|
TBC |
Swimrun Victoria (long) |
Canada |
27 km |
|
26.07.26 |
Canada |
22 km |
August
|
TBC |
Swimrun Edmonton (standard) |
Canada |
23 km |
|
24.08.25 |
Canada |
24 km |
|
TBC |
Otillo Mackinac (short) |
Michigan, USA |
22.8 km |
|
TBC |
Otillo Mackinac (Long) |
Michigan, USA |
30 km |
September
|
27.09.26 |
Deam Lake, USA |
23.6 km |
October
|
11.10.26 |
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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