R2A Marathon 2026

The R2A Marathon runs through Haute-Savoie. Choose the 42.7 km marathon or the 22 km half marathon, crossing mountain and nature scenery. From La Roche-sur-Foron to Annecy, expect stunning views and 22 km of intense effort. Run solo or in a relay. Afterwards, Annecy, the "Venice of the Alps," is a great place to relax.