Mount Disappointment Mountain Race (fka Angeles National Forest Trail Race)
External Event
Distance
15.5–31.1 mi
Pace
All paces (competitive for experienced)
Terrain
Trail
Difficulty
Challenging
About this run
The Mount Disappointment Mountain Race, formerly known as the Angeles National Forest Trail Race, is set to take place in Mt. Wilson, California on September 26, 2026. This event offers participants a challenging trail running experience within the scenic Angeles National Forest. Runners can choose between two distances, 25 km and 50 km, providing options for both intermediate and advanced trail enthusiasts. The race is designed to test endurance and navigation skills on mountain terrain. Participants will be immersed in the natural beauty of the area, tackling the demanding course that gives the event its name. The change in name from Angeles National Forest Trail Race to Mount Disappointment Mountain Race reflects a continuation of the tradition of challenging mountain running in this specific location. This event is a great opportunity for runners looking to push their limits on a rugged course. Whether you're aiming for the 25 km or the longer 50 km, the Mount Disappointment Mountain Race promises a memorable and rewarding trail running adventure.
Who it's for
This event is best suited for experienced trail runners comfortable with significant elevation changes and technical terrain. The 25 km and 50 km distances require a good level of fitness and endurance.
What to expect
- Arrive early to allow ample time for parking and reaching the start line, especially given the mountain location.
- The course is expected to be rugged and challenging, typical of mountain trail races. Be prepared for uneven surfaces, rocks, and potential roots.
- Carry adequate hydration and nutrition, as aid stations may be spaced out on the course. Check the official registration page for specifics.
- Weather in the mountains can change rapidly. Pack layers and be prepared for varying conditions, including sun, wind, and potentially cooler temperatures.
- Familiarize yourself with the general course profile if available on the official registration page, but expect significant climbs and descents.
Good to know
- The race takes place in Mt. Wilson, CA.
- Packet pickup details will be available on the official registration page.
- Runners should consult the official registration page for the most up-to-date information regarding the course and event logistics.
Typical conditions
For events around September 2026 in Mt. Wilson, CA, United States: Typical autumn conditions in this region — conditions can change quickly; confirm race-day guidance on the official page.
How to prepare
Trail events reward time on uneven surfaces and hills. Practice footing and bring the shoes and hydration the organizer recommends — details vary by race.
Find races near youGetting there
This event is listed in Mt. Wilson, CA, United States. Confirm the exact start venue, parking, and transit options on the official registration page.
Frequently asked questions
What is the date of the Mount Disappointment Mountain Race?+
The race is scheduled for September 26, 2026.
Where does the Mount Disappointment Mountain Race take place?+
The race is located in Mt. Wilson, CA.
What are the available distances for the race?+
Participants can choose between a 25 km and a 50 km distance.
Is this a road race or a trail race?+
This is a mountain trail race.
How can I register for the race?+
Registration details can be found on the official registration page: https://mountdisappointmentrace.com/
What is the former name of this event?+
The race was formerly known as the Angeles National Forest Trail Race.
Where can I find more detailed race information?+
For specific details on the course, packet pickup, and other logistics, please visit the official registration page: https://mountdisappointmentrace.com/
What kind of terrain should I expect?+
Expect challenging mountain trail terrain, which may include steep climbs, descents, rocks, and roots.
Registration is handled by the official event organizer
Know a local group? Host a community run in Mt. Wilson





