Course
Mountain trail races in the Angeles National Forest starting near the historic Mt. Wilson Observatory. The 25K climbs steeply toward Mt. Disappointment before looping back through forest trails; the 50K adds the Gabrielino, Colby Canyon and Strawberry Peak trails and finishes with the ascent of the Kenyon Devore Trail to Mt. Wilson. Rugged singletrack, steep fire roads and ridge lines, with fully stocked aid stations.
Key dates
- ★Race daySeptember 2027 · date to be announced
About
The Mount Disappointment Mountain Race runs through the San Gabriel Mountains in Angeles National Forest, climbing past its namesake peak near Mount Wilson. The 25K and 50K courses follow steep, exposed fire roads with sweeping views across the range.
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