The swimmers who have crossed an UltraSwim 33.3 finish line describe it better than we ever could. Read and watch their stories, from first timers who arrived nervous to experienced marathon swimmers who found something they had not expected. Rated 4.9 out of 5 on RaceCheck.
Reviews and Testimonials
Independent, verified reviews from UltraSwim 33.3 swimmers, collected through Racecheck. The live review feed appears here when the site goes live, rated 5.0 from more than 200 reviews.
Nic Cranfield, who completed the Greece edition in 2024, described the moment she stepped onto the dock as one of the most significant of her life. She had trained for seven months, swum alone for long stretches, and arrived at each stage start not entirely certain she could finish. She always did.
Over 500 finishers across all editions. Median age 50, this is not just for the young. 60% of finishers come back for a second event. Most swimmers arrive alone and leave with close friends.
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What swimmers say
I think today might actually be my all time favourite open water swim ever, anywhere in the world.
Jane Hansom
#Milos Pioneer 2026
I can’t think of another event like it - organisation was perfect from start to finish, and in a beautiful setting
Kamal Nasrollah
7 time UltraSwim 33.3 Competitor
You may think you’re selling swimming events, but in reality you’re selling confidence, belief and lifelong friendships. You’re giving people permission to dream bigger than they thought possible.
Karen Miller
#7Croatia and #14Switzerland
Our review scores, repeat entry rate and community size are the most honest measure of what we do. We publish them because we are proud of them. If the experience were not genuinely exceptional, our swimmers would not keep coming back.
4.9 out of 5 average event satisfaction score. 60% of finishers re-enter within 12 months. Swimmers from 40+ countries across all editions. Zero DNF rate due to safety concerns, the format is designed for completion.
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All our events so far have won awards. See reviews from other swimmers.
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