Dirty December Trail Run
Always double-check with the organizer's website! This page may contain affiliate links.
Dirty December Trail Run : San Diego, CA, December 20, 2026
The event is a holiday trail running program held in San Diego, California and organized by Dirty Feet Productions. Multiple race formats are offered, including a marathon, a half marathon, a 10K, and a new timed hill-climb format.
Distances include:
- Marathon
- Half Marathon
- 10K
- 6 hour hill climb on a 2.5 mile loop
The 6 hour hill-climb uses a 2.5 mile loop that goes down and then back up Cardiac Hill. Competitors accumulate distance by completing repeated laps; listed lap totals show cumulative distances such as 2.5, 5, 7.5, 10, 12.5, up to 30 miles and beyond. Winners in the hill-climb receive King and Queen of the Hill awards.
A costume contest runs alongside the races with a best costume award in two categories: solo and team. The event notes a holiday trail atmosphere and multiple award categories.
Registration has tiered pricing with a range of USD 76.87 to 125.97 and multiple offer options. Registration closes on Fri, Dec 18 at 11:59 PM PT. Visit the organization's website for the most recent information.
