Kodiak 100K is a 99.0 km ultra trail of HOKA Kodiak Ultra Marathons by UTMB 2025 in Big Bear Lake, United States. The race starts on October 8, 2025. The course climbs 2902 m+ and descends 2903 m−, between a low point of 2072 m and a high point of 3029 m. By gradient, 37% of the distance is uphill, 42% downhill and 21% flat. The longest climb runs 7.3 km at an average 11.3% grade (829 m of vertical). The longest descent runs 8.9 km at 6.5% (576 m of vertical). Surface: 87% trail and 10% road. Flat-equivalent effort: 120.7 FlatKM.
424 finishers completed the 2025 edition. Men's winner: Kellen Blumberg (United States) in 8:30:06. Women's winner: Mary Denholm (United States) in 9:28:28.
This page has the full results and splits, interactive elevation profile, gradient matrix, pacing and nutrition planner and weather climatology for Kodiak 100K.
Other distances of HOKA Kodiak Ultra Marathons by UTMB 2025Kodiak 100M (162 km)·Kodiak 50K (48.0 km)·Kodiak 21K (20.0 km)·Kodiak 10K (10.0 km)
Other editions of Kodiak 100K2026
Official websitekodiak.utmb.world