Experience the challenge of a 100-mile race that stretches from the charming village of Herresta by Lake Mälaren to the scenic Island of Jogersö in Oxelösund. This demanding course offers stunning views along the way, providing participants with a true showcase of the region's natural beauty, and is designed to be completed within a maximum of 36 hours. For those looking for a shorter yet equally captivating experience, the 100km Trail Ultra Marathon begins on the outskirts of Gnesta, while the 55km Trail Ultra Marathon starts in Tystberga. Both routes feature some of Sörmland's finest trails, guiding runners to Jogersö, where the landscapes promise to be as exhilarating as the challenge.