Bodensee Radmarathon

Lake Constance Cycling Marathon on September 12, 2026

Experience an unforgettable day with thousands of enthusiastic cyclists around Lake Constance! The Lake Constance Cycling Marathon has been organized on a volunteer basis by the RV Altenrhein Cycling Club for over 50 years—by cyclists, for cyclists! It is part of the Swiss Cycling Top Tour, which brings together Switzerland’s most beautiful cycling marathons. It aims to provide ambitious cyclists, recreational athletes, and beginners alike with a sporting experience filled with joy, passion, and camaraderie amidst the magnificent Lake Constance landscape. We offer you top-notch support, signage, and refreshments at 5 starting locations and—NEW—4 different routes (300/220/150/80 km) in Germany, Austria, and Switzerland—along with plenty of fun and a sense of accomplishment from your own performance! The cycling marathon starts in Altenrhein.

Saint Gravel® Lake Constance on September 13, 2026 

Welcome to the 2nd Saint Gravel® Lake Constance 50 km—the natural extension of the Lake Constance Cycling Marathon! Enjoy Lake Constance and its beautiful surroundings away from the major roads and crowds! The goal of the Saint Gravel® Lake Constance is to offer all cyclists who love Lake Constance and off-road riding the opportunity to live out their passion away from the main roads, amidst the beautiful nature of the Swiss Lake Constance Ridge. At the same time, with the start and finish in Kreuzlingen or Stein am Rhein, participants can take advantage of the full infrastructure (mechanics, medical services, etc.) and the BRM community.

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