Les Belles Gambettes

The Les Belles Gambettes 2026 is a technical and scenic trail running event held in the dramatic landscape of Gémenos, Bouches-du-Rhône, on Sunday, April 26, 2026. Known for its demanding vertical profiles and intimate racing atmosphere, the event limits participation across its four main categories to ensure a high-quality experience on the narrow mountain paths. Managed by KMS, the races are characterized by significant elevation gains relative to their distances, offering a true mountain running challenge just inland from the Mediterranean coast.

Race Logistics and Participation

The event is known for reaching full capacity well in advance, with several categories showing zero remaining slots weeks before the start. The 20 km flagship race is particularly rigorous, featuring a 1300-meter vertical ascent that tests the limits of seasoned trail runners. Operations are centralized in Gémenos, where timing and results are managed via the KMS platform. Due to the high demand and limited bib availability, the organizers often utilize a waiting list system. The staggered start times between 8:30 and 9:15 AM help manage flow on the technical single-track sections, ensuring that runners and walkers can enjoy the natural environment without overcrowding.

Regional and Community Context

Gémenos is a picturesque Provençal village situated at the foot of the Massif de la Sainte-Baume. The area is famous for its lush vegetation and the "Vallon de Saint-Pons," a verdant park that contrasts with the arid limestone peaks surrounding it. The geography of the region provides some of the most dramatic elevation changes in the department, with trails rising sharply from the valley floor toward rocky ridgelines. This landscape offers panoramic views of the Garlaban and the Mediterranean Sea in the distance, making it a favorite destination for outdoor enthusiasts in the Marseille metropole.

The local culture in Gémenos is deeply tied to its natural heritage and its history as a crossroads of trade and water management. The "Les Belles Gambettes" event reflects this community's passion for the outdoors and its commitment to preserving the technical trails of the Sainte-Baume range. The village atmosphere during the race weekend is vibrant, with local associations and volunteers supporting the athletes through the rugged terrain. By participating in this event, runners immerse themselves in the authentic scrubland (garrigue) of Provence, following paths that have been used by locals and pilgrims for centuries in one of the most ecologically diverse regions of Southern France.