Festi'trail de Brassy is a trail-running event held in Brassy, a village in the Nièvre department of Bourgogne-Franche-Comté, within the Morvan region. It typically occurs in early summer or early autumn. The format offers nature courses for runners, including a short family option, ensuring the day caters to more than just those seeking a challenging trail effort.
The event features 10 km and 20 km trail races, with the 20 km course noted as technical. A 2 km family course is also available. Walkers are welcome. The event includes entertainment, food at lunch and dinner, an afternoon family race, and an evening dance, presenting itself as a village festival centered on running rather than solely a competition.