Ultra-Trail Kosciuszko Kosci100 (Australia) 2026
Starts at Perisher ski resort in the Snowy Mountains and follows ridgeline trails via Charlotte Pass to the summit of Mt Kosciuszko, mainland Australia's highest point. After the Main Range it drops into the valley and finishes with a loop of the Thredbo ski area. Mostly very runnable trails.
The course tops out at 2,221 m (low point 1,121 m). There are 2 big climbs: 472 m around 15–27 km; 894 m around 72–101 km. About 50% of the distance is gentle (under 5% grade). In 2025, 83% of starters finished. The median finish was about 18 h, through one night.
Predict your finish from your ITRA index
Enter your ITRA performance index to get your finish time, aid-station splits and cutoff margins from the results of 60 finishers of this race — the same model as the TRAIL STATUS app. Nothing is saved or sent.
The app adds predictions from your training log (Strava), race-day pacing and more. Free, no sign-up.
Predict in detail from my Strava trainingOverview
- Date
- Fri, 27 Nov 2026
- Start
- 07:30
- Location
- Australia
- Distance
- 106 km
- Elevation gain
- 3,260 m
- Time limit
- 28h
- ITRA
- 100K
- Official website
- kosciuszko.utmb.world/races/kosci-100
Elevation profile
Aid stations and cutoffs
| # | Distance | Aid station | Segment | Cutoff |
|---|---|---|---|---|
| 1 | 15.9 km | Charlotte Pass Resort | 15.9 km | Day 1 12:204h 50m |
| 2 | 26.9 km | Aid 2Mt Kosciuszko（補給なし） | 11 km | — |
| 3 | 39.6 km | Charlotte Pass Lookout | 12.7 km | Day 1 18:2010h 50m |
| 4 | 49.2 km | Guthega Base Camp | 9.6 km | Day 1 21:0013h 30m |
| 5 | 61.2 km | Perisher Ski Tube | 12 km | Day 2 00:1016h 40m |
| 6 | 73.5 km | Bullocks Flat | 12.3 km | Day 2 03:1519h 45m |
| 7 | 81 km | Ngarigo Campground | 7.5 km | Day 2 05:2521h 55m |
| 8 | 92.1 km | Village Green | 11.1 km | Day 2 08:1024h 40m |
| 9 | 102 km | Aid 9Eagles Nest Waterpoint （水） | 9.9 km | — |
| F | 106 km | FINISH | 4 km | Day 2 11:3028h |
The small figure under each cutoff is the time from the start. Day 1 is the day of the start.
2025 results
1,073 starters, 890 finishers (82.9% finish rate). Finish times of those who finished:
- Fastest
- 9h 53m
- Top 10%
- 14h 7m
- Top 25%
- 16h 11m
- Median
- 18h 29m
- Top 75%
- 21h 14m
- Top 90%
- 23h 51m
- Last finisher
- 27h 57m
"Top 25%" means one in four finishers had crossed the line by this time.
Years with a different course or different cutoffs are not directly comparable.
Other races
- Ultra-Trail Kosciuszko KosciMiler (Australia) 2026Fri, 27 Nov 2026 · Australia · 161 km
- Ultra-Trail Australia UTA100 (Australia) 2027Sat, 15 May 2027 · Australia · 101 km
- Ultra-Trail Australia UTA Miler (Australia) 2027Fri, 14 May 2027 · Australia · 161.1 km
- Ultra-Trail Kosciuszko Kosci50 (Australia) 2026Thu, 26 Nov 2026 · Australia · 50 km
- Ultra-Trail Kosciuszko Kosci30 (Australia) 2026Thu, 26 Nov 2026 · Australia · 32 km
- Ultra-Trail Australia UTA50 (Australia) 2027Sat, 15 May 2027 · Australia · 51 km
From your training log, TRAIL STATUS estimates your finish time, aid-station splits and cutoff margins for this race.
Predict my raceCompiled from each race's official information. Details can change, so always check the race's official website for the latest. Spotted a mistake? Please tell us through the contact form.
TRAIL STATUS · FAQ · Privacy policy