This athletic nature race consists of a semi-nocturnal competition that invites participants to run through the hills and forests of the Nièvre. Historically, the event was established to integrate high-performance sport with the discovery of the regional landscape and environmental heritage in Varzy. It reinforces a regional identity characterized by physical endurance, ecological awareness, and the communal spirit of the Nivernais rural life. Participants experience a unique atmosphere, running under the stars while crossing protected natural zones and ancient forest paths. The social impact is highly positive, as it mobilizes hundreds of local volunteers and fosters pride within the community and regional sports clubs. researchers find value in analyzing the economic and social benefits of environmental sports tourism in low-density rural departments. This race effectively preserves the legacy of the territory by transforming the productive landscape into a space of shared effort and joy.