Sörmlands 100 Trail Run
September 11th–13th 2026
Explore one of Sweden’s most biodiverse regions at this years Sörmlands 100 Trail Run – a race through some of the most scenic and challenging trails in Sweden. The event welcomes participants of all ages and abilities, with distances ranging from 8 k up to 100 miles. All races are run on mix of forested single track, technical coastal trails, and fast-flowing sections, making for a race day memorable experience!
Sörmlands 100 Trail Run celebrates all things trail, including delicious local food, talks from athletes and adventurers and much more!
Join us for an unforgettable weekend!
Klättermusen joins as Head Partner
We’re very happy to share that Klättermusen is becoming the Head Partner for both Sörmlands Winter Trail and Sörmlands 100 Trail Run, across all distances.
“The Sörmlands races have quickly become a meaningful part of Swedish trail running and highlight a side of the sport that feels authentic and rooted in the landscape. We see great potential in being part of that journey.”
— Gonz Ferrero, CEO, Klättermusen
