Tamalpa Runners- Marin is a well-established community-based running club in Marin County, founded in 1976 with over 400 members. The club offers a variety of activities including weekly group runs, track workouts, a monthly run series (TCRS), and annual races like the Tamalpa Headlands 50K. With teams in all divisions of the Pacific Division of USA Track & Field, the club welcomes runners of all levels from beginners to nationally-ranked athletes. Whether you are looking for a fun social running group or aiming to improve your competitive edge, Tamalpa Runners- Marin provides a supportive running community for all enthusiasts.