EPIC ADVENTURE SWIM RACES
Discover our events






“Hits that sweet spot between challenge and achievability”
UltraSwim 33.3 offers competent swimmers the opportunity to challenge themselves with the iconic 33.3km distance of the English Channel, spread over 5-7 point to point swims, during a 4-day long weekend based in amazing hotels across a variety of stunning European locations.
A new category of open water swim event
Step out of your comfort zone with UltraSwim 33.3
BOOK NOW
DISCOVER MORE
OLD STUFF
EPIC ADVENTURE SWIM RACES™
BUT SO MUCH MORE THAN JUST A RACE.
THIS IS NOT FOR EVERYONE, BUT EVERYONE CAN DO IT!
Join an amazing community of like-minded, incredibly diverse set of swimmers from all over the world for the adventure of a lifetime. The iconic English Channel distance of 33.3km, spread across 6 swims over a 4 day long weekend, with world class safety cover, in breathtaking locations, based in luxury hotels with premium services and pro support from the day you enter.
Exactly 150 years on from Captain Matthew Webb’s epic English Channel crossing in almost 22 hours (doing breaststroke), its YOUR chance to become a 33.3’er - albeit in much nicer conditions!
2025 SPOTS ARE NEARLY FULL - NEXT EVENT CROATIA IN MAY (and now with an ULTIMATE ultra-marathon option)! No reason to wait to book your spot with our super flexible rollover conditions. mark link here to #10 promotion - need you to update this text. ON this page - then I will change the home page once we have the changes here. https://ultraswim333.com/blog-1-1/offermontenegro
Add link to Virtual
Subscribe to get the latest updates PLUS FREE ACCESS TO FLOW magazine!