Les Templiers Endurance Trail — officially the Grand Trail des Templiers — is an 80.7 km trail race held in October in the Aveyron, Occitanie, southern France. The course gains 3,443m (42.6 m/km) across the limestone plateaus of Causse Noir and Causse Méjean, through the Tarn and Dourbie gorges, forested trails, and ancient stone villages before finishing in Millau beneath the Millau Viaduct. The 12.6% average uphill gradient reflects the terrain's character: rolling plateau sections punctuated by steep gorge edges rather than long Alpine ramps. Entry costs €163 (€155 entry, €8 application fee) — €1.92 per kilometre.
Founded in 1995, Les Templiers is one of France's oldest trail races, held as part of a three-day festival drawing 13,000 runners across all distances. The Grand Trail consistently sells out — the 2026 edition (the 32nd) is waitlist only. The race is back-loaded: the hardest climbs and the steepest descent (−17.4% average, arriving in the final 3km) hit when runners are deepest in fatigue. Around 2,400 runners finished the most recent edition. Nearest airport is Montpellier (MPL), 1.5 hours by car.
It suits experienced trail runners who want a major, festive event with genuine terrain, a 2,400-strong finish field, and a legitimate claim to being France's defining autumn ultra.