About This Race
The 10K offers a perfect entry point into mountain trail running, featuring the crisp alpine air and scenic beauty of Big Bear Lake with manageable elevation gain. This shorter distance allows runners to enjoy the festival atmosphere and mountain setting while experiencing quality single track terrain.
The 10K offers a perfect entry point into mountain trail running, featuring the crisp alpine air and scenic beauty of Big Bear Lake with manageable elevation gain. This shorter distance allows runners to enjoy the festival atmosphere and mountain setting while experiencing quality single track terrain.
Elevation
Elevation gain
Detailed elevation profile coming soon
Practical Info
Cool mountain conditions typical of October in the San Bernardino Mountains at 7,000+ feet elevation
ONT - Ontario International Airport
Big Bear Lake offers mountain resort lodging options within walking distance of the downtown start/finish area
Best For
Notable Features
The 2026 UTMB World Series Americas Major offers double Running Stones and automatic qualification spots for 210 runners to the 2027 UTMB World Series Finals. The event serves as a dual qualifier for both UTMB and Western States Endurance Run, making it one of the most strategically valuable races in North American trail running. Set in downtown Big Bear Lake with festival atmosphere and community support throughout the weekend.