Cuyamaca 100k Summer Training Runs


Come out and preview the course this summer before racing.  The course will be minimally marked and we will have water and ice along the route where needed.  Join us afterwards for snacks and refreshments.  All are welcome to join training runs regardless of whether you are racing, pacing, or just out to have a fun run with friends.  All runs start at 7am.


Saturday, 7/26.  Combining early sections of Loop 1 and all of Loop 2.  Starting at the Sweetwater Parking area.  Approximately 19 miles.

Saturday, 8/9.  Loop 3 Starting at the Sunrise Trailhead. 18.2 miles.

Sunday, 8/24.  Last 20 miles of Loop 1, including the peak.  Starting at the Sweetwater Parking area. Approximately 20 miles.



Since 2012, the Cuyamaca 100k Endurance Run has been providing runners with a scenic 100 kilometer running challenge.  The course traverses a diverse landscape of oak woodlands, meadows, pine forests, and chaparral in the Cuyamaca Rancho and Anza Borrego Desert State Parks.

The 2025 event is scheduled for Saturday, 10/4.



Runner FInishing Loop 2, awards for top 3 runners, right and above, photos by Ilian Moctezuma




Teresa Kaiser descending from Cuyamaca Peak, photo by Paksit Photos.


Cuyamaca Outdoor School
Since 2012, the Cuyamaca 100k has benefited from the support of the Cuyamaca Outdoor School.  The venue and facilities that host our race are home to a 6th grade camp program that has inspired the love of the outdoors in thousands of students over the course of the 70+ years.  Please join us in supporting the outdoor education of San Diego's youth at sixthgradecamp.org.
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Cuyamaca 100k is a proud supporter of Runners for Public Lands, a nonprofit focused on climate action, sustainability practices, the protection of public lands, and equitable access to nature.