MUT Challenge is the 25.0km trail race at Mountain Ultra Trail by UTMB 2027 (George, South Africa). The race starts on May 30, 2027 at 08:00 AM. It starts in George.
Run the climb at race pace, build your speed on the downhill, and go all out at the finish.
The course climbs 1043m+. With 42m/km of climbing, this is a rolling, mostly runnable course. By gradient, 32% of the distance is uphill, 29% downhill and 39% flat. The longest climb runs 5.9km at an average 6.2% grade (368m of vertical). The longest descent runs 7.2km at an average 6.5% grade (470m of vertical). The steepest climb averages 15.4% over 0.6km. The steepest descent drops at 19.3% over 1.0km. Surface: 80% trail, 12% smooth, and 8% road. Flat-equivalent effort: 32.2 FlatKM.
Poles bring little benefit here: only about 0.6km of pole-friendly terrain.
Quad damage risk is low (index 11 of 100): a few descents worth noting, none of them decisive.
On race day, start temperatures have historically ranged from 10°C to 15°C, with around 14°C at the highest point; the chance of precipitation is about 23%. Heavy rain of 10.0mm or more falls on about 3% of days around this date.
This page has a pacing and nutrition planner, a gradient matrix, an interactive elevation profile and historical weather for MUT Challenge.
Other distances of Mountain Ultra Trail by UTMB 2027MUT Miler (168km)·MUT 100 (100km)·MUT 60 (58.0km)·MUT Marathon (43.0km)·MUT Lite (11.9km)
Other editions of MUT Challenge2026
Official websitemut.utmb.world
