BLACK MOUNTAIN 50K/25K/HALF

June 21, 2025

San Diego’s premiere trail 50k within city limits.

Celebrate California trail running with challenging climbs, smooth single-track, swift downhills, and epic views from the ocean to the mountains.

Registration opens 2/1/2025
50k Race details
25k Race details
Half Marathon

Sponsored by San Diego Ultra Running Friends

Click here to learn more about SURF and become a member.

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Black Mountain 50k is part of the SoCal Ultra Runner Grand Prix

Learn more about the Grand Prix