Welcome to the 53st Gran Fondo Lake of Constance 12th September 2026

Experience an unforgettable day cycling around Lake Constance with thousands of enthusiastic cyclists! For now more than 50 years the Bodensee-Radmarathon (Gran Fondo Lake of Constance) has been organised by the Cycling Club RV Altenrhein (CH) – by cyclists, for cyclists! It offers experienced, intermediate and beginner cyclists the chance to participate in a fun and picturesque ride around the beautiful Lake Constance. We offer 5 starting locations and 3 different routes in and through Germany, Austria and Switzerland, with excellent fully catered rider support including sign-posted routes, breakfast and 6 food stops.

The 53st Gran Fondo takes place in the heart of Europe on 12.09.2026!

We hope to see you there!