Dirty Dozen
Dirty Dozen logo

Dirty Dozen

San Pablo, California, United States View on map
Jul 25, 2026 (America/Los_Angeles local time)
Running

About this race

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.

Pick your distance

Running

12 Hour

Jul 25, 2026 12 Hour 2:30 PM
$185.00
Closed

6 Hour

Jul 25, 2026 6 Hour 2:30 PM
$165.00
Closed

3 Hour

Jul 25, 2026 3 Hour 2:30 PM
$145.00
Closed

12 Hour 3-Person Team

Jul 25, 2026 12 Hour 3-Person Team 2:30 PM
$525.00
Closed

12 Hour 2-Person Team

Jul 25, 2026 12 Hour 2-Person Team 2:30 PM
$350.00
Closed

6 Hour 3-Person Team

Jul 25, 2026 6 Hour 3-Person Team 2:30 PM
$465.00
Closed

6 Hour 2-Person Team

Jul 25, 2026 6 Hour 2-Person Team 2:30 PM
$310.00
Closed

3 Hour 3-Person Team

Jul 25, 2026 3 Hour 3-Person Team 2:30 PM
$405.00
Closed

3-Hour 2-Person Team

Jul 25, 2026 3-Hour 2-Person Team 2:30 PM
$270.00
Closed

Typical race-day weather

Based on 8 years of Open-Meteo archive data for this event's race dates in San Pablo, plus the 3 days either side.

Temp (°C)
Minimum temperature (race-week average) 13.1° / Maximum temperature (race-week average) 24.8°
Feels Like (°C)
Minimum feels like — heat index / wind chill (race-week average) 13.1° / Maximum feels like — heat index / wind chill (race-week average) 25.7°
Peak wind (km/h)
Strongest wind of the day (race-week average)
19.4
Precip (mm)
Precipitation over the day (race-week average)
0.0mm
Humidity
Mean relative humidity (race-week average)
71.1%
Sunrise
Sunrise at the start line on July 25, 2026 (PDT)
Sunset
Sunset at the start line on July 25, 2026 (PDT)
Daylight
Hours between sunrise and sunset on race day
14h 17m

The sun rises at 6:07 AM and sets at 8:24 PM local time (PDT) in San Pablo on July 25, 2026 — 14h 17m of daylight.

Course

No course map published yet.

The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.

Reviews

Done this event?

If you've participated in this event, share your experience with other runners

2026 results — Dirty Dozen

204 finishers across 9 distances · leading places in the 12 Hour, 12 Hour Female Results

View all results
Leading finishers of the 2026 Dirty Dozen
Place Name Time Pace
1 Kathryn Meinhardt
2 Jennifer O'Connor
3 Angela Abbey
4 Amanda Kim
5 Anna Franey

Every finisher is on the results page, filterable by distance, gender and age group.

All results by year

2026 edition View Results
2025 edition View Results
2024 edition View Results
2023 edition View Results
2022 edition View Results
2019 edition View Results
2018 edition View Results

Other races near San Pablo

Different organizers, within 40 miles, in the next three months

Find upcoming events by distance:

Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.

  • Entries, prices, waves and inclusions — the event's official registration page
  • Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
  • Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
  • Comparisons and counts — Race Discovery calendar, 3 San Pablo events

Spotted something wrong? Tell us and we'll fix it.