The Forchlauf is a running event in Letten, Switzerland, offering three race distances: 7 km, 15 km, and 21 km. These are designated as Kurz, Mittel, and Half Marathon, respectively.
Participants can select from a 7 km run up to a half marathon, accommodating varying endurance levels within the same event. The available information does not specify course details, elevation, field size, or traditions. The event is characterized as a straightforward Swiss race featuring three distinct distances.