Trail Tour is a 40.0 km sky marathon of Oisans Trail Tour 2025 in France. The race starts on July 19, 2025.
The course climbs 1800 m+. With 45 m/km of climbing, this is a true mountain course with sustained climbs and descents. By gradient, 49% of the distance is uphill, 36% downhill and 15% flat. The longest climb runs 4.5 km at an average 5.9% grade (268 m of vertical). The longest descent runs 2.4 km at 13.9% (337 m of vertical). The steepest climb averages 33.4% over 0.4 km. The steepest descent drops at 24.2% over 0.8 km. Surface: 79% trail, 12% road, and 5% smooth. Flat-equivalent effort: 52.1 FlatKM.
Poles bring little benefit here — only about 3.5 km of pole-friendly terrain.
Historically on race day, start temperatures range from 12°C to 22°C, around 16°C at the highest point; the chance of precipitation is about 29%.
This page has the interactive elevation profile, gradient matrix, pacing and nutrition planner and weather climatology for Trail Tour.
Other editions of Trail Tour2026
