Trail RunningUTMB World Series

Ultra Trail Kosciuszko by UTMB

Trail Running covering 32 km to 161 km with up to 4,710 m D+ in Thredbo (New South Wales, Australia)

LocationThredbo, New South Wales, AustraliaShow on map(36.5044° S, 148.3044° E)
Date & StatusNovember 26, 2026 to November 28, 2026Date confirmed
Elevation gainUp to +4,710 m

Ultra Trail Kosciuszko by UTMB is an endurance sporting event in Thredbo, New South Wales, AU focused on Trail Running. It is part of UTMB World Series. Key features include Nature & Off-Road, Mountain, High Altitude, Point-to-Point.

The race program comprises 4 competitions, including Kosci Miler (161 km, +4,710 m D+), Kosci 100 (102 km, +2,881 m D+), Kosci 50 (50 km, +1,300 m D+), and Kosci 30 (32 km, +610 m D+). The next edition is officially confirmed from November 26, 2026 to November 28, 2026. Official race regulations, course details, and registration information are provided on the organizer's website (ultratrailkosciuszko.com.au).

Official website
Ultra Trail Kosciuszko by UTMB in Thredbo (Work: "Mount Fuji and Fog over Lake Yamanaka", Photo: Alpsdake, License: CC BY-SA 4.0, Source: Wikimedia Commons)
"Mount Fuji and Fog over Lake Yamanaka" · Photo: Alpsdake · Wikimedia CommonsCC BY-SA 4.0
Cropped to 16:9 (960 × 540 px), WebP · Shared under the same license

Event characteristics

Nature & Off-RoadMountainHigh AltitudePoint-to-PointMulti-Day

Races & distances (4)

CompetitionDisciplineDistanceElevation gainAltitude rangeCourse typeCourse & profile
Kosci MilerTrail Running161 km+4,710 m1,150 m - 4,212 mPoint-to-point courseRoute & profile
Kosci 100Trail Running102 km+2,881 m1,153 m - 3,026 mPoint-to-point courseRoute & profile
Kosci 50Trail Running50 km+1,300 m1,156 m - 2,001 mPoint-to-point courseRoute & profile
Kosci 30Trail Running32 km+610 m1,159 m - 1,555 mPoint-to-point courseRoute & profile
Course & Elevation Telemetry

Course route & map

Distance
161 km
Elevation gain
+4,710 m D+
Elevation loss
-4,004 m D-
Altitude range
1,150 m - 4,212 m
Gradient (Avg / Max)
5.4 % / 9.7 %
Course format
Point-to-point course
161 km+4,710 m D+
Start (S)Finish (F)
N255075100125150FS36.5044° S, 148.3044° E

Elevation profile & course telemetry

Altitude from 1,150 m to 4,212 m above sea level (+4,710 m D+, -4,004 m D-)

Peak: 4,212 m·at 63.8 km·Ø 5.4 %
1,150 m2,171 m3,191 m4,212 m0 km32.2 km64.4 km96.6 km128.8 km161 km4,212 m
Event Information & Answers

Frequently asked questions (FAQ)

When and where does Ultra Trail Kosciuszko by UTMB take place?

Ultra Trail Kosciuszko by UTMB takes place in Thredbo, New South Wales, AU (start area at coordinates 36.5044° S, 148.3044° E). The next edition is officially confirmed from November 26, 2026 to November 28, 2026.

What races and distances are offered at Ultra Trail Kosciuszko by UTMB?

The race program comprises 4 competitions, including Kosci Miler (161 km, +4,710 m D+), Kosci 100 (102 km, +2,881 m D+), Kosci 50 (50 km, +1,300 m D+), and Kosci 30 (32 km, +610 m D+). The competitions belong to Trail Running.

What is the course layout and elevation profile for Ultra Trail Kosciuszko by UTMB?

The main competition (Kosci Miler over 161 km) is designed as a point-to-point course featuring +4,710 m of elevation gain and -4,004 m of elevation loss, ranging between 1,150 m and 4,212 m above sea level. An interactive course map with route visualization, elevation profile, and GPX export is available in the course section on this page.

Where can I find registration and official race rules for Ultra Trail Kosciuszko by UTMB?

Official race regulations, course details, and registration information are provided on the organizer's website (ultratrailkosciuszko.com.au).