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MCC is a 40.0 km trail race of HOKA UTMB Mont-Blanc 2026 in Martigny-Combe, France. The race starts on August 24, 2026 at 10:00 AM. It starts in Martigny-Combe and finishes in Chamonix. The time limit is 10 h.
The course climbs 2350 m+. With 59 m/km of climbing, this is a true mountain course with sustained climbs and descents. By gradient, 45% of the distance is uphill, 37% downhill and 18% flat. The longest climb runs 7.3 km at an average 14.1% grade (1029 m of vertical). The longest descent runs 3.2 km at 18.5% (590 m of vertical). The steepest climb averages 34.1% over 0.3 km. The steepest descent drops at 21.7% over 0.6 km. Surface: 70% trail, 17% road, 8% smooth, and 5% technical. Flat-equivalent effort: 58.6 FlatKM.
Trekking poles are worth taking: about 6.8 km of the course favours them.
Quad damage risk is moderate (index 25 of 100), with 24% of the load in the first half: 1 descents deserve a plan and a couple of downhill sessions before race day.
Historically on race day, start temperatures range from 17°C to 28°C, around 15°C at the highest point; the chance of precipitation is about 44%. Heavy rain of 10.0 mm or more falls on about 9% of days around this date.
This page has the interactive elevation profile, gradient matrix, pacing and nutrition planner and weather climatology for MCC.
Other distances of HOKA UTMB Mont-Blanc 2026UTMB (174 km)·TDS (145 km)·CCC (108 km)·OCC (60.0 km)·YCC (15.0 km)·ETC (15.0 km)
Other editions of MCC2025
Official websitemontblanc.utmb.world