2025 ULTRASWIM 33.3 ENTRIES NOW OPEN!

The brand-new Epic Adventure Swim Race Series™ calendar for 2025 includes #7Croatia, #9Greece and #10Montenegro.

Looking for your next big challenge and the adventure of a lifetime? We’ve got you…

Secure Your Spot Now

#3Croatia is fast approaching (50 days to go), #5Montenegro 2024 is sold out and our #4Greece the pioneer edition has just a dozen places left, so we’re opening up 2025 now.

We’re expecting to fill up 2025 events fast (even if it’s a year out!) - so reserve your space with a fully refundable (within 30 days) deposit, that can also be rolled over to a different event at a later date* if your circumstances change.

As many of you know, our ambition is to host up to 5 editions in 2025, which will include:

#7CROATIA: The ‘Islands’ Edition

📅 When: 16-19 May 2025
📍 Where: Stari Grad-Hvar, Croatia
🏖️ Uniqueness: Europe’s sunniest island, you’ll swim along the regions most exclusive coastline between two 12th century villages, and past beaches and islands only accessible by water with plenty to discover both above and below the surface

DISCOVER MORE ABOUT #7

#9GREECE: The ‘Mamma Mia’ Edition

📅 When: 19-22 September 2025
📍 Where: Skopelos, Greece
🏝️ Uniqueness: Greece’s greenest island with unspoilt wild coastlines and secret beaches as well of course home to the cult film Mamma Mia! 100km north of Athens in the Sporades, at the end of summer you can expect the warmest waters of our epic series!

DISCOVER MORE ABOUT #9

#10MONTENEGRO: The ‘Fjords to the Sea’ Edition

📅 When: 3-6 October 2025
📍 Where: Herceg Novi, Montenegro
🗻 Uniqueness: Enjoy the challenge of a country to country channel crossing, swim through an abandoned submarine pen, around a prison island and of course through the famous Blue Cave all in one loop of the undeveloped Lustica peninsula and its rugged Adriatic coastline.

DISCOVER MORE ABOUT #10