Kosci30 is the 33.0km trail race at Ultra-Trail Kosciuszko by UTMB 2026 (Perisher Ski Resort, Australia). The race starts on November 26, 2026 at 10:00 AM. It starts in Perisher Ski Resort and finishes in Friday Flat, Thredbo. The time limit is 7 h 30 min.
The course climbs 596m+. With 18m/km of climbing, the course is predominantly runnable. By gradient, 25% of the distance is uphill, 36% downhill and 39% flat. Surface: 88% trail, 6% road, and 6% smooth. Flat-equivalent effort: 39.3 FlatKM.
The course is runnable enough that trekking poles are not needed.
Quad damage risk is low (index 14 of 100): a few descents worth noting, none of them decisive.
On race day, start temperatures have historically ranged from 7°C to 17°C, with around 12°C at the highest point; the chance of precipitation is about 43%. Heavy rain of 10.0mm or more falls on about 9% of days around this date.
This page has a pacing and nutrition planner, a gradient matrix, an interactive elevation profile and historical weather for Kosci30.
Other distances of Ultra-Trail Kosciuszko by UTMB 2026KosciMiler (161km)·Kosci100 (107km)·Kosci50 (50.0km)
Official websitekosciuszko.utmb.world
