RunRace USA › California › San Diego › Dirty December Trail Run
Dirty December Trail Run
San Diego, California · Sunday, December 20, 2026 · Marathon, Half Marathon, 10K, 6 Hour
Official race page & registration ↗Dirty December Trail Run takes place on Sunday, December 20, 2026 in San Diego, California. The race offers 4 distances: Marathon, Half Marathon, 10K, 6 Hour. It is run on trail. For anyone travelling in, Poway is about 4 miles away and Escondido is about 15 miles away.
It is one of 123 races on the California calendar that December.
- Date
- Sunday, December 20, 2026
- Location
- San Diego, California
- Distances
- Marathon, Half Marathon, 10K, 6 Hour
- Surface
- Trail
Listing from the 2026 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.
Making a race weekend of it?
Stay near the start line in San Diego: check in Dec 19, out Dec 21.
Common questions
When is Dirty December Trail Run?
Dirty December Trail Run is scheduled for Sunday, December 20, 2026.
Where is Dirty December Trail Run held?
Dirty December Trail Run is held in San Diego, California. It is about 4 miles from Poway and 15 miles from Escondido.
What distances does Dirty December Trail Run offer?
The listed distances are Marathon, Half Marathon, 10K, 6 Hour.
How do I register for Dirty December Trail Run?
Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.
More races nearby
- Dec 19San Diego Holiday Half Marathon & 5KSan Diego, CA
- Dec 26A Merry Christmas Run 5K/10K/13.1 SAN DIEGOSan Diego, CA
- Dec 26New Year's Run 5K/10K/13.1 SAN DIEGOSan Diego, CA
- Dec 20Chasing Santa – 5K, 10K, 10-Miler, Half MarathonLong Beach, CA
- Dec 20Oasis PosadaThermal, CA
See every race on the California calendar, all San Diego races, California Marathons, California Half Marathons, or use the Race Finder for maps and filters.