The Internationaler Bodensee-Marathon Kressbronn is a September running event in Kressbronn, Germany, offering a marathon, half marathon, 10 km race, and a 1.7 km Mini-Marathon for younger participants. The main route is a fast loop on approximately equal parts asphalt roads and maintained natural paths, with minimal elevation gain, providing a good opportunity for runners aiming for a fast time.
The full marathon consists of two laps of the loop, while the half marathon covers the same route once. The course includes a brief detour to Lake Constance, offering lake views, distant Alpine vistas, and a segment through Kressbronn. This event has been a fixture on the local running schedule for decades, typically attracting hundreds of participants across its various distances.