Ultra-Trail Kosciuszko by Utmb

Bullocks Flat, Australia • 26-27 Nov 2026

Event Overview

Ultra-Trail Kosciuszko by UTMB is a trail running festival in the Snowy Mountains National Park in New South Wales, Australia. The event is part of the UTMB World Series. It takes place in late November.

Event Distances

The event offers four trail running distances:

  • 161 km (KosciMiler) with 4,710 meters of elevation gain.
  • 102 km (Kosci100) with 2,881 meters of elevation gain.
  • 50 km (Kosci50) with 1,300 meters of elevation gain.
  • 32 km (Kosci30) with 610 meters of elevation gain.

Course Setting

The runs take place in Australia's alpine region. The terrain includes snow gum forests, alpine meadows, granite outcrops, mountain streams, and lakes. The course passes by Australia's highest peak, Mount Kosciuszko.

Event Features

The event is designed with community and support in mind. It offers specific access points for support crews and spectators along the course. The wider festival atmosphere includes local food, drinks, and other alpine activities. Visit the organization's website for the most recent information.

Race information

UTMB 20K UTMB 50K UTMB 100K UTMB 100M
Kosci100
Kosci30
Kosci50
Koscimiler
Visit the organization's website for the most recent information.
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