Mt. Tam Trail Run

Sat November 13, 2021 Stinson Beach, CA 94970 US Directions



7:30AM PST


7:30AM PST

Half Marathon

8:00AM PST


8:00AM PST

Race Website

Additional race information can be found at


3545 Shoreline Highway
Stinson Beach, CA US 94970


Mt. Tamalpais is the dominating feature in Marin County.  Any true trail runner who sees it wants to run up it.  Here’s your chance.  Our Mt. Tam Trail Run begins at Stinson Beach and climbs (and climbs!) to perched views from Tam before returning via some of the best trails the Headlands have to offer until reaching the beach and bountiful post race food.  Bring the family and enjoy an afternoon with friends in the sand and surf.

Start Times:
50K & 30K – 7:30 AM
Half & 10K – 8:00 AM

Check-In & Bib Pickup:
Race Morning: 6:30 AM – 8:00 AM

Time Limit: There is an 8.5 hour time limit for the 50K & 30K race. All runners must be off the course by 4:00 PM.

Capacity: The Mt. Tam Trail Run has a capacity of 500 runners, across all distances.

Parking:  Parking is available within the Stinson Beach Day Use Area and is free of charge. Carpooling is always strongly encouraged.

Stinson Beach Park
Golden Gate National Recreation Area
3545 Shoreline Hwy, Stinson Beach, CA 94970

Timing:  All races are professionally chip timed, utilizing MyLaps and Race Director, ensuring your time is captured as accurately as possible. Disposable chips are attached to back of each bib number.

Post Race:  We offer a broad selection of sweet and salty snacks, as well as fresh fruit and a diverse line up of pre-packaged food options (chips, cakes, jerkey, etc.). We also offer items off of the grill, which typically varies throughout the day and can include: quesadillas, chicken-apple turkey sausage, chicken noodle soup, and a vegan soup option.

Dog Policy:  Dogs are allowed at Stinson Beach. Pups must be on leash at all times. However, dogs are not permitted on the trails of Mt. Tam, so you may not run with your pup.

Race Contact Info

If you have any questions about this race, please contact the race director at



Like this page and invite your friends on Facebook.
Join this event and invite your friends on Facebook.

Race Participant Survey

Please complete the following survey to help us better understand your race experience.

Did you participate in the race?

Would you recommend this race to a friend?

If you continue to use this site, you consent to use all cookies. We use cookies to offer you a better browsing experience. Read how we use cookies and how you can control them by visiting our Privacy Policy.

If you continue to use this site, you consent to use all cookies.