ÖtillÖ Swimrun

ÖtillÖ Swimrun Welcome to the official page of the ÖTILLÖ Swimrun. Founders of the sport. The bet? The challenge took them over 26 hours to accomplish.

It all started in 2002 with a few too many beers, a drawing on a napkin and a crazy bet. Four friends divided in two pairs decided to go through the Stockholm archipelago, from Utö to Sandhamn. They would run across land, swim from island to island and the last pair to arrive in Sandhamn would be paying for everyone’s hotel, dinner and drinks. When Michael Lemmel and Mats Skott heard about the crazy bet in late 2005, they decided to make a race out of it. They called it Ö TILL Ö, island to island in Swedish. When its first official version went off in September of 2006, no one had clue they were about to start a worldwide movement. The race became mythical quite fast, and more and more teams travelled from all over the world to Stockholm to take on the grueling challenge. 75km total, divided into 65km of trail running and 10km of open-water swimming over and between 26 islands (54 sections). Now recognized by CNN as one of the toughest races in the World, ÖTILLÖ had become a legend. In 2012, Erika Rosenbaum, a podium finisher, gave the discipline the name of Swimrun, and ÖTILLÖ became the ÖTILLÖ Swimrun World Championship. Through the years, ÖTILLÖ has organized more races in different countries, and welcomes each year participants from over 35 nations. ÖTILLÖ became ÖTILLÖ Swimrun. The original race that started the whole Swimrun movement is now the ÖTILLÖ Swimrun World Championship. This epic race is always hosted on the first Monday of September and ran on the original course. Today, ÖTILLÖ Swimrun organizes races in Sweden, England, Germany, Switzerland, France, USA and Malta. More locations will follow…

16/09/2026

The final European event of the season is getting close — and this is one you’ll want to be part of.

Sandy beaches, crystal-clear Mediterranean water and a course where wild nature meets the urban coastline, all in the beautiful setting of the South of France.

And we’re already heading towards a record field, with 100 more registrations in the World Series distance alone compared to last year.

ÖTILLÖ Cannes takes place on October 3rd.

Will we see you on the start line?

One week since this incredible anniversary World Championship, and we’re still very much in the bubble.Going through the...
14/09/2026

One week since this incredible anniversary World Championship, and we’re still very much in the bubble.

Going through these photos brings it all back — the nerves, the energy, the emotions and all those moments out on the course.

Want to relive it too? Find your race photos on our website and watch the full replay of the live broadcast, now available on our YouTube channel.
Links in bio.

ÖTILLÖ Swimrun World Champions 2026Women’s categoryMélisande Muller🇫🇷 and Johanne Laizeau🇫🇷
07/09/2026

ÖTILLÖ Swimrun World Champions 2026
Women’s category

Mélisande Muller🇫🇷 and Johanne Laizeau🇫🇷

ÖTILLÖ Swimrun World Champions 2026 Mixed categoryAnna Hellström🇸🇪 and Alexis Charrier🇫🇷
07/09/2026

ÖTILLÖ Swimrun World Champions 2026
Mixed category

Anna Hellström🇸🇪 and Alexis Charrier🇫🇷

ÖTILLÖ Swimrun World Champions 2026Adriel Young🇦🇺 and Hugo Tormento🇳🇨
07/09/2026

ÖTILLÖ Swimrun World Champions 2026
Adriel Young🇦🇺 and Hugo Tormento🇳🇨

07/09/2026

Race is on. Follow live on our webside or TV4.

07/09/2026

Start of the 2026 ÖTILLÖ Swimrun World Championship! 400 athletes from 24 nations take on the 70km course across 25 islands in the Stockholm archipelago Follow live on TV4 in Sweden or otilloswimrun.com/live internationally to see who will take home the title in the men’s, women’s and mixed categories!

06/09/2026

Pre race vibes at Djurönäset. Tension is rising, getting ready for the World Championships.

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Gothenburg

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