
At Tamalpa Runners, we believe in the power of community, fitness, and fun. Located in beautiful Marin County, CA, our club is dedicated to bringing together runners of all levels to enjoy the benefits of running and socializing.
Why Join Tamalpa Runners?
- Community Spirit:
Our members value the friendships and sense of community they experience here. With 76% of our members joining for the community, you’ll find a welcoming and supportive environment. - Locally Organized Races:
Participate in our popular TCRS monthly races, which are the most attended events in our club. These races are a great way to challenge yourself and connect with fellow runners. - Annual Social Events:
Enjoy our annual social events, where you can relax and have fun with your running buddies. These events are a highlight for many of our members. - Structured Workouts:
Benefit from our regular track workouts and exercise sessions, designed to help you improve your running skills and stay fit.

Join Us Today!
Whether you’re a seasoned runner or just starting out, Tamalpa Runners has something for everyone.
Join the nearly 300 members of our vibrant community and experience the joy of running in Marin County.
Our Activities Include:
TCRS Monthly Races:
Join the most participated activity in our club, with 86% of members taking part. These races are not only competitive but also a great way to bond with other runners.
Track Workouts:
Our structured track workouts are highly valued by our members. With 67% participation, these sessions are perfect for improving your speed and endurance.
Social Events:
Our annual social events are a favorite among our members. These gatherings are a fantastic opportunity to celebrate our achievements and enjoy each other’s company.
Featured Upcoming Events:
Tamalpa’s Dipsea Practice Training Run #2
The Ides of March
Sunday, March 15th 9am
Tamalpa’s Dipsea training runs continue with our Ides Of March edition, (so be extra cautious running down Steep Ravine) on Sunday, March 15th, beginning from Old Mill Park in Mill Valley at 9am. Catch the West Marin Stage Coach back to Mill Valley at 11:42 (exit Bayside avenue). Run the whole way, or go to Cardiac and back for a 10 mile run.
Tamalpa Bobcats Are Back!!!!
Sign Ups Open

The Tamalpa Bobcats will RUN a 6 week track series for youth runners ages 6 to 14. Practices are listed above, culminating in the Falcon 5K at Venetia Valley School. Race Entry is included. Scholarships are available. For questions, contact Allie Kegley at akegley@srcs.org
Thursday, March 19th
Trail Running Film Festival,
6 – 9 pm
Vintage Ruse, 256 Shoreline Highway, Mill Valley ~ Boomerang Lounge ~
Volunteers Needed!
Saturday, March 21
Big Alta 100K
Tamalpa Hosted Aid Station at Fox Hollow (near White Hill School, Fairfax).
Sunday, March 22nd
March TCRS – Gold Hill, San Rafael’s Dominican Neighborhood
View Details
Recent Blog Posts
- RUNNING GAIT ASSESSMENT March 12 & 13MARCH 12 & 1312:00 PM – 6:00 PM AT SFRC with Dr. Carolyn Latham, PT, DPT BUILD RESILIENCE TO INJURY!Identify your unique running mechanics and build… Read more: RUNNING GAIT ASSESSMENT March 12 & 13
- TRAIL RUNNING FILM FESTIVAL Thursday, March 19, 6-9 pmVintage Ruse, 256 Shoreline Highway, Mill Valley ~ Boomerang Lounge ~ The Trail Running Film Festival makes a stop in Mill Valley on March 19th! Their mission… Read more: TRAIL RUNNING FILM FESTIVAL Thursday, March 19, 6-9 pm
- Tamalpa Aide Station Looking for Volunteers Saturday, March 21st(End of Glen Drive, Near White Hill School) Tamalpa Runners will be hosting the Fox Hollow Aid Station for the inaugural 100k distance at the Big… Read more: Tamalpa Aide Station Looking for Volunteers Saturday, March 21st
- TCRS #3 SUNDAY, MARCH 22nd Gold Hill, San Rafael 8:45 / 9amWhat’s the best way to kick start your Dipsea training? Conquer some of the toughest hills in the Open Space District behind Dominican University. Join your Tamalpa… Read more: TCRS #3 SUNDAY, MARCH 22nd Gold Hill, San Rafael 8:45 / 9am
- Marathon Training / Dipsea PracticesMarathon Training and Dipsea Practices(Continuing and) Starting Now What’s on your bucket list for 2026? How about a road marathon or a faster, stronger Dipsea Race in… Read more: Marathon Training / Dipsea Practices