Your complete guide to the event!
Where should I fly to? Practical travel recommendations
ULTRA+[5*] swimmers - check out our special luxury hotel upgrade option, accessible previously only to ULTRA++ swimmers!
Entries to the ULTIMATE are strictly limited and there a significant financial incentive for the first 5 swimmers to confirm their entry in either the full ULTIMATE 33.3 or the shorter but nonetheless challenging 22.2km version, ULTIMATE 22.2.
Two day dedicated preparation camp immediately before #12 lead by Marieke Blomme and supported by world class experts from coaching, nutrition, physio.
Limited spaces!
Support the key event moments and finishes by boat, enjoy your own swimming opportunities in the event's iconic locations, discover the fascinating history and culture of Hvar Island, meet new people and soak up the unique UltraSwim 33.3 community vibe!
Join our #12 Honcho gallery and see some of our favourite shots from last year! We have facial recognition to help you find your photos and will share our images on here each evening after your swim.