Dirty December Run Marathon

December 21, 2025

Start Time : 9.00 a.m

The Dirty December Run is a trail running event in the Sycamore Canyon Preserve in San Diego. It has 4 different races - 10K, half marathon, full marathon and hill climb.

Dirty December Run Marathon Route
The course follows a hilly route through San Diego's Sycamore Canyon Preserve. No elevation value is provided for the marathon, but with a half marathon elevation of 2,300 feet, we expect an elevation in excess of 4,000 feet.

Dirty December Run Marathon Entry
* Entry Fee : $115.32 (until Jul 31), $125.97 (until Dec 19)
* Registration Deadline : December 19

Contact Details
Contact : Race Director
Address : Dirty Feet Trail Races
Website : http://dirtyfeet.us/trailraces/decemberrun/

Further Information
* Cut-off Time : All participants will be expected to finish within 7 hours.
* Boston Qualifier : No