Kodiak 10K is the 10.0km trail race at HOKA Kodiak Ultra Marathons by UTMB 2025 (Big Bear Lake, United States). The race starts on October 10, 2025.
Short race: go all out.
The course climbs 280m+. With 28m/km of climbing, this is a rolling, mostly runnable course. By gradient, 25% of the distance is uphill, 40% downhill and 34% flat. The longest climb runs 4.4km at an average 6.8% grade (296m of vertical). The longest descent runs 4.3km at an average 5.9% grade (254m of vertical). The steepest climb averages 25.8% over 0.4km. The steepest descent drops at 11.6% over 0.6km. Surface: 71% trail, 17% road, and 12% smooth. Flat-equivalent effort: 11.7 FlatKM.
The course is runnable enough that trekking poles are not needed.
There is too little runnable descent to damage the quads: plan the race around climbing and fuelling.
On race day, start temperatures have historically ranged from 7°C to 20°C, with around 14°C at the highest point; the chance of precipitation is about 6%.
This page has a pacing and nutrition planner, a gradient matrix, an interactive elevation profile and historical weather for Kodiak 10K.
Other distances of HOKA Kodiak Ultra Marathons by UTMB 2025Kodiak 100M (162km)·Kodiak 100K (99.0km)·Kodiak 50K (48.0km)·Kodiak 21K (20.0km)
Official websitekodiak.utmb.world