Dirty December Trail Run
San Diego, United States • 20 Dec 2026
Dirty December Trail Run : San Diego, CA
The Dirty December Trail Run is a holiday trail event in San Diego, CA, organized by Dirty Feet Productions. It features multiple race options including a Marathon, a Half Marathon, a 10K, and a new Hill Climb timed for six hours.
Distances
- Marathon
- Half Marathon
- 10K
- Hill Climb 6 Hour event with 2.5 mile laps
The Hill Climb is run on Cardiac hill with a 2.5 mile out-and-back lap. Participants complete as many laps as they can within six hours; example cumulative totals listed include 2.5, 5, 7.5, 10, 12.5, 15, 17.5, 20, 22.5, 25, 27.5, and 30 miles.
The event includes a costume component with awards in two categories: best solo costume and best team costume. The organizer describes the run as a low key holiday trail event. Registration has a published closing time of Fri, Dec 18 at 11:59 PM PT.
The description above summarizes the event format, distance options, the hill climb structure, and the costume awards as provided by the event organizer. Visit the organization's website for the most recent information.