As you reach the summits of this course, you'll take in a view of San Francisco Bay tucked behind the rolling green hills of the Marin Headlands to the east and looking west you will view the Pacific Ocean. One thing's certain...the views this course offers are unlike any other. You'll start and finish at the Historic Gunnery Range in Rodeo Valley. Along this scenic trail run through the Marin Headlands, you'll soak in panoramic vistas of the Golden Gate Bridge, the San Francisco Bay and the lush Pacific shoreline peppered with vibrant wildflowers. The course is a combination of single track hiking trails and fire roads. The event is limited to 400 participants and sells out every year so don't wait too long to register!
Registration fees
Where pricing applies, shown amounts include mandatory charges, items, and fees.
Marathon - Adult
Price changes in 1 month 30 days-
(Age 18 and over)
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Register for Marathon - Adult$98.28
Early Bird Pricing
Now registering Aug 30 – Oct 31 -
$108.98Nov 1 – Mar 31
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$130.38Apr 1 – Apr 3
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Half Marathon - Adult
Price changes in 1 month 30 days-
(Age 18 and over)
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Register for Half Marathon - Adult$76.88
Early Bird Pricing
Now registering Aug 30 – Oct 31 -
$87.58Nov 1 – Mar 31
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$108.98Apr 1 – Apr 3
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10K - Adult
Price changes in 1 month 30 days-
(Age 18 and over)
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Register for 10K - Adult$60.83
Early Bird Pricing
Now registering Aug 30 – Oct 31 -
$71.53Nov 1 – Mar 31
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$92.93Apr 1 – Apr 3
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Marathon - Youth
Price changes in 6 months 30 days-
(Age 17 and under)
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Register for Marathon - Youth$34.09
Early Bird Pricing
Now registering Aug 30 – Mar 31 -
$44.79Apr 1 – Apr 3
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Half Marathon - Youth
Price changes in 6 months 30 days-
(Age 17 and under)
-
Register for Half Marathon - Youth$39.44
Early Bird Pricing
Now registering Aug 30 – Mar 31 -
$50.14Apr 1 – Apr 3
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10K - Youth
Price changes in 6 months 30 days-
(Age 17 and under)
-
Register for 10K - Youth$44.79
Early Bird Pricing
Now registering Aug 30 – Mar 31 -
$55.49Apr 1 – Apr 3
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Course Map
COURSE CUT-OFF TIME: 6 HOURS (13:45min/mile pace for marathoners, 27:30min/mile pace for half marathoners, 56:15min/mile pace for 6.4 milers). Hikers/Walkers are welcome to participate.
Here is the link to the correct map for GGHM https://ridewithgps.com/
Additional Details
ATHLETE CHECK-IN: The registration tables are open from 7:00-8:15 AM at the start/finish area in the field across from the Marin Headlands Visitors Center https://maps.app.goo.gl/XJmgMNQfseByxTd89 . You should have received your bib in the mail. PLEASE REMEMBER TO BRING YOUR BIB WITH YOU. Safety pins and course maps will also be available during athlete check-in.
COURSE MARKINGS: The course will be marked with orange ribbon. The marathoners will do the half marathon loop twice (making sure to check in with us at the finish line before going out on your second loop).
AID STATIONS: There are no aid stations on the 10K mile course. Half marathoners will see one aid station at mile 6. Marathoners will see aid stations at miles 6, 13, & 19. We highly recommend that you carry water. There will also be food/drink at the finish area for all finishers.
INCENTIVES: T-Shirts for all participants. Personalized award ribbons to the top three finishers, male and female, in each age group for all distances which will be mailed out a few weeks after the race. Finisher medals for Full Marathoners AND Half Marathoners..
PARKING: is at Smith Road as you head towards Rodeo Beach. When you arrive on race day, we will have parking attendants directing you to the parking areas. Please pay attention! Especially if, you have run this race before…you may go on auto-pilot and head to the old parking lot area which no longer exists. Be sure to allow yourself 15 minutes to get to check-in from the parking area.
DRIVING DIRECTIONS: https://maps.app.goo.gl/XJmgMNQfseByxTd89 To the Start/Finish Area. Take the Sausalito/Alexander Ave exit off Highway 101 at the north end of the GG Bridge. Drive 1/4 mile on Alexander Ave towards Sausalito. Turn left onto Bunker Road. Go through the tunnel. Continue on Bunker Road towards Rodeo Beach. Parking will be on the right.
NOTE: The tunnel is one-way traffic so allow plenty of extra time.
CANCELLATIONS: Registrations are non-refundable and non-transferable. Here are the policy Terms & Conditions of the Race Roster Enhanced Refund Protection Program. You cannot purchase it AFTER you have completed your checkout. Otherwise, if you don't purchase the refund protection, and you need to cancel, you can email us by March 3, 2027 to receive a rollover credit (the amount you paid minus a $20 fee) to use toward any future Enviro-Sports race.
HEADPHONES POLICY: Since parts of this race include very narrow trails with steep drop-offs along the course, it is imperative that runners can hear each other in order to pass safely, even if they are running at a slow speed. For safety reasons (and for the enjoyment of your fellow runners) headphones (and any other audio devices) are NOT allowed.
Event Partners
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Contact information
- Event contact
- Enviro-Sports
- Phone
- +1 415-868-1829
- Website
- Visit website
