Marin County Half Marathon

October 31, 2021 // Marin Endurance Festival San Rafael, CA 94901 US Directions

Half Marathon

9:00AM PDT


9:45AM PDT


10:00AM PDT
Race Website

Additional race information can be found at

McNear’s Beach County Park
201 Cantera Way
San Rafael, CA US 94901

Part of the all new Marin Endurance Festival, the Marin Half Marathon, 10K & 5K will complete our weekend of 

Race Contact Info

If you have any questions about this race, click the button below.


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?

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.