UTMB World Series EventChecked 2026-08-17
Official UTMB World Series Event; eligible finishers can earn Running Stones and record a UTMB Index result.
Official classification source ↗EventsFind this location on a map 2 editions
AUSRunningTrail100K · 100 km / 62.1 mi100M105.9K · 105.9 km / 65.8 mi164.6K · 164.6 km / 102.3 mi20K · 20 km / 12.4 mi50K · 50 km / 31.1 miUltra · 50 km+ / 31+ miUTMB World Series Event
Ultra-Trail Kosciuszko by UTMB
Thredbo, New South Wales · AUS
Next race day
Thu, 26 Nov 2026
2 distances · see start times below
About Ultra-Trail Kosciuszko by UTMB
Ultra-Trail Kosciuszko by UTMB is a running event in Thredbo, New South Wales, Australia. Recorded disciplines include 100K, 100M, 105.9K, 164.6K, 20K, 50K, Ultra. The listed surface is trail. The listed organiser is UTMB World Series / local organiser. The next listed date is 26 November 2026. Check the organiser's information for entry and race-day arrangements. The ATHRECS archive includes editions from 2023 to 2025. This describes the editions recorded here, not the event's founding date or complete history.
Dates, starts & entry
Times are local to the race. Select the entry route for your distance.
- Check race website
33K · 33 km / 20.5 mi
Thu, 26 Nov 2026
Start time not yet confirmed
Entries closed
Kosci30: 33 km, starting at Perisher Ski Resort. Entry sold out.
Edition source - Check race website
50.3K · 50.3 km / 31.3 mi
Thu, 26 Nov 2026
Start time not yet confirmed
Entries closed
Kosci50: 50.3 km, starting at Perisher Ski Resort. Entry sold out.
Edition source - Check race website
105.6K · 105.6 km / 65.6 mi
Fri, 27 Nov 2026
Start time not yet confirmed
Entries closed
Kosci100: 105.6 km, starting at Perisher Ski Resort. Entry sold out.
Edition source - Check race website
160.5K · 160.5 km / 99.7 mi
Fri, 27 Nov 2026
Start time not yet confirmed
Entries closed
KosciMiler: 160.5 km, starting at Banjo Patterson Park, Jindabyne. Entry sold out.
Edition source
Location & race day
Listed venue / area
Thredbo, New South WalesAUS
Confirm the exact start line, parking and arrival instructions with the organiser. A listed town or postcode may cover a wider area.
About the race
Official UTMB World Series event in Thredbo, New South Wales, Australia, Australia. Check the organiser page for the individual races, mandatory kit, entry requirements and current Running Stones information.
- Surface:
- Trail
- Organiser:
- UTMB World Series / local organiser
Series & qualification
Classification is checked against the official series source and recorded by edition where qualification status can change.
Ways to enter
Compare the listed booking routes. Verified links show when they were checked.
Thu, 26 Nov 2026
Official race entry
Official entry
Closed
Recorded Wed, 14 Oct 2026
Check providerThird-party prices, booking fees, allocations and refund terms can differ. Confirm the final details with the provider before paying.
Results
Public-figure or athlete-approved ATHRECS results, plus verified organiser links.
Thu, 27 Nov 2025
50K · 50 km / 31.1 mi
Fri, 8 Dec 2023
164.6K · 164.6 km / 102.3 mi105.9K · 105.9 km / 65.8 mi
Past races
50K · 50 km / 31.1 miFinishedResults
Thu, 27 Nov 2025
Historical UTMB source record. Trail classification provisional. Ascent 1300 m. UTMB Index category 50K is not the course distance.
164.6K · 164.6 km / 102.3 miFinishedResults
Fri, 8 Dec 2023
Historical UTMB source record. Trail classification provisional. Ascent 4738 m. UTMB Index category 100M is not the course distance.
105.9K · 105.9 km / 65.8 miFinishedResults
Fri, 8 Dec 2023
Historical UTMB source record. Trail classification provisional. Ascent 3055 m. UTMB Index category 100K is not the course distance.
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