By Richard Mitchell and Mogsy Ford
Updated February 2025
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 2025 here, and you can see our USA/World calendar 2024 here.
If you prefer, you can also search for a swimrun event by country at our dedicated geographic location page.
For great accuracy and detailed swimming data, check out the Garmin Swim 2 GPS smartwatch for the pool and open water!
For more information and the best price check out Amazon HERE!
Jump down to USA/Rest of World here
Date |
Event |
Location |
Distance |
14.04.25 |
Tróia (standard) |
Portugal |
26.5 km |
TBC |
Swimrun Costa Brava (half) |
Spain |
21 km |
TBC |
Swimrun Verdon Gorges (classic) |
France |
28.3 km |
03.05.25 |
Jablines Swimrun (long) Solo or Team |
France |
23.6 km |
03.05.25 |
Anjou (middle) |
France |
28 km |
11.05.25 |
France |
28.3 km |
18.5.25 |
Lagoa (standard) |
Portugal |
26.3 km |
24.05.25 |
Valmer (Long) |
France |
25 km |
24.05.25 |
EX Swimrun (long) |
Sweden |
24 km |
07.06.25 |
Valras Plage Challenge |
France |
21 km |
07.06.25 |
Mustard Swimrun Nene Park Half - solo/team |
UK |
21 km |
08.06.25 |
Bilancino Lake Swimrun (Half) |
Italy |
24.45 km |
14.06.25 |
Swimrun Cote Vermeilles (middle) |
France |
26.7 km |
14.06.25 |
Studland Swimrun (long) |
UK |
24.5 km |
14.06.25 |
Sjoloppet Swimrun (long) |
Sweden |
30 km |
14.06.25 |
Great North Swimrun (middle) |
UK |
23.9 km |
15.06.25 |
Portugal |
26 km |
21.06.25 |
U.K. |
20.3 km |
22.06.25 |
Vassiviere (classic) |
France |
23.2 km |
22.06.25 |
Germany |
21.4 km |
29.06.25 |
Backwaterman Swimrun (half) |
Austria |
23.5 km |
TBC |
Puruvesi Swimrun (standard) |
Finland |
24 km |
30.06.25 |
Mustard Grafham Water Half, solo/team |
UK |
21 km |
05.07.25 |
Sure to Sure Swimrun (long) |
Luxembourg |
24.4 km |
TBC |
Slottsrundan Swimrun (long) |
Sweden |
29 km |
12.07.25 |
Sweden |
21.6 km |
13.07.24 |
Kuopio Swimrun (long) |
Finland |
25 km |
09.08.25 |
Angaloppet Steam Race (long) |
Sweden |
22 km |
16.08.25 |
Sweden |
22 km |
23.08.25 |
Sweden |
30 km |
24.08.25 |
Great Lakes Laffrey (classic) |
France |
22.69 km |
TBC |
Sweden |
23 km |
31.08.25 |
Arendsee Swimrun (half) |
Germany |
21.1 km |
31.08.25 |
France |
22 km |
TBC |
France |
23 km |
06.09.25 |
Hokey Cokey Gribbin Head (long) |
UK |
22.6 km |
07.09.24 |
Swimrun des Gorges de la Loire (average) |
France |
23.4 km |
07.09.25 |
Mustard Bewl Water (Half solo/team) |
UK |
21 km |
13.09.25 |
Poland |
26 km |
13.09.25 |
North Germany |
21.7 km |
13.09.25 |
France |
23.4 km |
TBC 2025 |
Folkhälsan Swimrun (endurance) |
Finland |
24.3 km |
14.09.25 |
Zezere Swimrun (standard) |
Portugal |
26.2 km |
TBC |
Love Swimrun Holy Island (long) |
UK |
23 km |
20.09.25 |
Ré Swimrun (L) |
France |
30 km |
21.09.24 |
U.K. |
21.1 km |
TBC |
Lauwersmeer Swimrun (long) |
Netherlands |
28 km |
21.09.25 |
Germany |
23.2 km |
TBC |
Italy |
26 km |
18.10.25 |
Mallorca, Spain |
26 km |
TBC |
Vale do Lobo Swimrun (standard) |
Portugal |
24.6 km |
TBC |
Madeira (standard) |
Portugal |
25.51 km |
TBC |
Cote D'Azur (long) |
France |
30 km |
TBC |
eDreams Cap de Creus (half) |
Spain |
23 km |
TBC |
TRIMORE Swimrun Hydra (Core) |
Greece |
23.4 km |
08.03.25 |
Australia |
26 km |
TBC |
New Caledonia |
21.1 km |
TBC |
Oregon, USA |
21 km |
TBC |
Knox Swimrun |
USA |
28 km |
06.07.25 |
Canada |
22.06 km |
TBC |
Swimrun Victoria (long) |
Canada |
27 km |
27.07.25 |
Canada |
22 km |
02.08.25 |
Swimrun Edmonton (standard) |
Canada |
23 km |
17.08.25 |
Parry Sound, Canada |
27 km |
24.08.25 |
Canada |
24 km |
24.08.25 |
Otillo Mackinac (short) |
Michigan, USA |
22.8 km |
24.08.25 |
Otillo Mackinac (Long) |
Michigan, USA |
30 km |
TBC |
Swimrun Maryland (long) |
MD, USA |
30 km |
14.09.25 |
Washington, USA |
22.4 km |
24.10.25 |
California, USA |
25.8 km |
09.11.25 |
Otillo Austin Pace Bend (long) |
Texas, USA |
25.1 km |
TBC |
Swimrun Reunion Island (long) |
Reunion Island |
29.5 km |
We hope this guide to swimrun races 10 to 20km is useful!
Monitor your activity and performance while you are swimming with the
CLICK HERE for further details and the BEST PRICE at Amazon!
www.swimrun-advice.com works with the following Swimrun companies: