Choose 100 miles, 100km, 50km, 22km or our new 8km and 8km Night Trail in one of Sweden’s most biodiverse and beautiful regions. 5–7 September 2025 will be the forth edition of the Sörmlands 100 Trail Run.
Headlamps at the ready. Start the weekend on friday night with a fun 8km trail loop starting and finishing in Navekvarn