Ronde du Saint-Marcellin is a trail-running event held around Saint-Marcellin, organized by Team Trail Saint-Marcellin. The event offers four race distances: 30 km with 1200 m of elevation gain, 21 km with 900 m, 16 km with 600 m, and 7 km with 270 m.
The shorter distances are suitable for less experienced trail runners, while the longer routes include sufficient elevation to present a challenge. Hikers can also participate, with 16 km and 7 km routes mirroring the elevation profiles of the Petite Ronde and Mini Ronde.