
Dirty Dozen is a running race on July 25, 2026 in san pablo, CA, with entry fees from $145 to $525.
From the Organizer
The course is a 3.37 mile loop with approximately 98% dirt fire trails. Total elevation gain on the loop is about 150 feet. An additional .42 mile loop will be available to run for the last hour of each timed event -- starting at hour 2 for the 3-hour runners, hour 5 for the 6-hour runners and hour 11 for the 12-hour runners.
Runners will enjoy panoramic vistas of the bay offering views of seven counties and about that many bridges.
Events
Weather
Live forecast from the U.S. National Weather Service.
Race Day
Saturday, 7/25
High
73°
Low
57°
Conditions
Sunny
Chance of Rain
0%
Wind
10 mph
Host City
Nearest Airport
OAK
San Francisco Bay Oakland International Airport · 20 mi
Time Zone
Pacific Time
From Endurance Grid
Line up lodging and travel early to lock in your race weekend.
Race Location
Your Next Start Line
Every finish line starts with a single decision. Claim your spot at Dirty Dozen, put it on the calendar, and turn “someday” into a start date.
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From Endurance Grid
Endurance Grid is here to help you understand the sport, decide if it’s the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Coming Up
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5 miles away
SGRAIL Marin - Triathlon & Trail Half Marathon
9 miles away
Plan your trip
Coming from out of town? There's more to san pablo than race day. We'll help you line up nearby lodging, flights, a rental car, and things to do so you can make the most of your racecation.
Plan your trip to san pabloFrequently Asked Questions (FAQs)
Dirty Dozen
Jul 25, 2026