Ultra-Trail Kosciuszko by Utmb
Bullocks Flat, Australia • 26-27 Nov 2026
Event Overview
Ultra-Trail Kosciuszko by UTMB is an alpine trail running event held in Australia's Snowy Mountains National Park in New South Wales. It is part of the UTMB World Series and takes place from 26 to 28 November 2026. The base location is Thredbo.
Race Distances
The event offers four trail running distances:
- KosciMiler: 161 km with 4,710 meters of elevation gain.
- Kosci100: 102 km with 2,881 meters of elevation gain.
- Kosci50: 50 km with 1,300 meters of elevation gain.
- Kosci30: 32 km with 610 meters of elevation gain.
Course and Setting
The course runs through alpine landscapes including snow gum forests, granite outcrops, alpine meadows, and past mountain streams and lakes. It includes a route ascending Australia's highest peak, Mount Kosciuszko. The trails are described as highly runnable and varied.
Event Features
The event is designed as a trail running festival with community support. It offers access for support crews and specific spectator points. The surrounding area is promoted for activities like fishing and relaxing by lakes. Visit the organization's website for the most recent information.