Dirty December Trail Run

DEC
20
2026
Dirty December Trail Run in San Diego on December 20, 2026 offers marathon, half marathon, 10K and a six hour hill climb on a 2.5 mile loop. The event includes solo and team costume awards plus King and Queen of the hill honors.
Sun 20 Dec 2026
Marathon Half Marathon 10 kilometers

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Dirty December Trail Run

The Dirty December Trail Run is scheduled for December 20, 2026 in San Diego, CA. The event is organized by Dirty Feet Productions and includes multiple race formats on local trails.

Races offered include a full marathon, a half marathon, a 10K, and a new six hour Hill Climb event. The Hill Climb is based on a 2.5 mile loop that goes down and then back up Cardiac Hill; participants complete as many laps as they can within six hours. Winners of the Hill Climb receive King and Queen of the hill awards.

The event also features costume awards with two categories: solo and team costumes. The description notes a light holiday theme and that the atmosphere is intended to be low key and fun.

A registration closing date is provided: registration closes Friday, December 18 at 11:59 PM PT. The event listing includes a range of entry prices and indicates multiple registration offers are available. The location is given as San Diego, CA, and the organizer is Dirty Feet Productions. Visit the organization's website for the most recent information.

Marathon
Marathon
Half Marathon
1/2 Marathon
10 km
10k
Hill Climb
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