Races
Kosciusko
Thredbo. Snowy Mountains. Main Range track toward Mount Kosciuszko. Alpine meadow and fire trail in one hundred kilometers.
63 mi+8,073 ft-7,755 ft20 hours4,789 ft to 5,852 fttech 6/10Checkpoints per race bookSnowy MountainsMount KosciuszkoWSER qualifierDecemberRunning Stones · 3 stones
Distance63 mi
Gain+8,073 ft
Loss-7,755 ft
Altitude4,789 ft to 5,852 ft
Technicality6/10
Air40°F to 85°F
- Start4,888 ft
- High5,852 ft
- Low4,789 ft
- Finish5,207 ft
Geometryderived
Steepest drop702 ft-6.0% over 2.2 mi
Night miles15 misunset near 19:00 local
The cruxMain Range track above alpine meadows in December heat (near mile 40)
Course DNA
The Course
Kosciusko runs 100 km through Thredbo, Australia. +8,073 ft gain and -7,755 ft loss. Surfaces skew 70% trail / 25% fire road / 5% paved. Main Range track above alpine meadows in December heat. High point near 5,852 ft. Low near 4,789 ft. December temps run 40°F to 85°F. The course rewards patience early and punishes rushed descents after mile 31.
The Work
Train for 8,073 feet of climbing across 100 km. Back-to-back long runs on trail. Practice power-hiking grades above 15 percent. 20 hours total means limited margin: rehearse fueling every 45 to 60 minutes and downhill eccentric work weekly. Technicality 6/10. Build a block that simulates the crux near mile 40.
Kit
December in Thredbo, Australia: plan for 40°F to 85°F. Mandatory shell if rain is in forecast. Headlamp with spare batteries if 20 hours pushes past dark. Poles help on sustained climbs above mile 16. Vest capacity for 2 liters minimum. Shoes matched to 70% trail: lugs for mud, rock plate if the course turns technical after mile 31.
Race Day
Hold effort through mile 16. The field often splits on the first big climb after mile 31. Main Range track above alpine meadows in December heat near mile 40 is where time is won or lost. Walk the steep pinches. Run the flats and gentle downhills. Crew at major aids: socks, calories, ice if hot. Transitions under 5 minutes when possible. Final third is 21 miles of fatigue management. Finish with reserve for the last descent.
Results
Kosciusko finish lines.
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Sources (1)
- Qualifier: utmb_stones: https://utmb.world/utmb-world-series