mozart Marathon is a 44.0 km trail race of mozart 100 by UTMB 2026 in Fuschl am See, Austria. The race starts on May 23, 2026.
The course climbs 1600 m+. With 36 m/km of climbing, this is a rolling, mostly runnable course. By gradient, 31% of the distance is uphill, 30% downhill and 40% flat. The longest climb runs 2.0 km at an average 13.6% grade (273 m of vertical). The longest descent runs 2.6 km at 7.3% (193 m of vertical). The steepest climb averages 34.5% over 0.2 km. The steepest descent drops at 31.1% over 0.2 km. Surface: 53% trail, 37% road, and 6% smooth. Flat-equivalent effort: 51.6 FlatKM.
The highest summit on the course is Klausberg (902 m), 19.6 km from the start.
Poles bring little benefit here — only about 1.9 km of pole-friendly terrain.
Quad damage risk is low (index 19 of 100): a few descents worth noticing, none that decides the result.
Historically on race day, start temperatures range from 8°C to 19°C, around 15°C at the highest point; the chance of precipitation is about 56%.
748 finishers completed the 2026 edition. Men's winner: Tobias Geiser (Italy) in 3:18:42. Women's winner: Isabell Speer (Austria) in 3:38:17.
This page has the full results and splits, interactive elevation profile, gradient matrix, pacing and nutrition planner and weather climatology for mozart Marathon.
Other distances of mozart 100 by UTMB 2026mozart 100 (119 km)·mozart Ultra (72.0 km)·mozart Light (37.0 km)·mozart Half Marathon (28.0 km)·mozart Lake Trail (12.0 km)
Other editions of mozart Marathon2025
Official websitemozart100.utmb.world