California · Marathon · 1/2 Marathon · 10K
Dirty December Trail Run
Dirty December Trail Run is a marathon, 1/2 Marathon, 10K and Hill Climb 6HR event held in San Diego, California. Its next confirmed date is Sunday, December 20, 2026.
- Race day
- December 20, 2026
- Location
- San Diego, CA
Race details
- Date
- Sunday, December 20, 2026
- Location
- San Diego, California
- Distances
- Marathon, 1/2 Marathon, 10K, Hill Climb 6HR
- Official website
- dirtyfeet.us
More marathons in California
Coming up next, by confirmed date.
-
Big Sur Trail Marathon, Half Marathon & 5 MileBig Sur, CA5 Mile - Adult5 Mile - YouthHalf Marathon - AdultHalf Marathon - Youth +2 more
-
Sonoma Fall ClassicHealdsburg, CA100 Mile Sufferfest100 Mile Relay50 Mile RelayLake Sonoma 50 Mile +2 more
-
Napa Fall Wine Country Marathon, Half Marathon, 10K, & 5KCalistoga, CA10K - Adult10K - Youth5K - Adult5K - Youth +4 more
More races in San Diego
More upcoming races in California
-
Scena Performance Series PassesBerkeley, CAScena SlamMonsters of the East BayRidge Trail RompPinch to Grown and Inch
Keep exploring
- All races in California
- 5Ks in California529 upcoming races
- 10Ks in California348 upcoming races
- Half Marathons in California209 upcoming races
- Marathons in California32 upcoming races
- 10Ks in the United States2,717 upcoming races
- Half Marathons in the United States1,289 upcoming races
- Marathons in the United States353 upcoming races
- December Marathons
- Marathons in Arizona13 upcoming races
- Marathons in Nevada1 upcoming race
- Marathons in Oregon1 upcoming race
Guides from the RaceRove blog
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 9 min read How to Run a Race in All 50 States How to plan a 50-state running challenge: set your own rules, group states into trips, build a calendar around the seasons, budget for it and keep track of every finish.
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Dirty December Trail Run: common questions
- When is the Dirty December Trail Run?
- The next confirmed date is Sunday, December 20, 2026.
- Where is the Dirty December Trail Run held?
- In San Diego, California.
- What distances does the Dirty December Trail Run offer?
- Marathon, 1/2 Marathon, 10K and Hill Climb 6HR.
- How do I register for the Dirty December Trail Run?
- Registration is handled by the organiser at dirtyfeet.us. Entry fees, caps and deadlines are set there.
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.