Choose 100 miles, 105km, 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. Sörmlands 100 Trail Festival isn’t just a race, we really want to highlight the stunning landscape of the region and also the amazing food pro
50km Trail Ultra Marathon from the town Nykoping to the coastal village of Navekvarn, heading along some of Sormlands best trails.