X˙CORE Marin - San Anselmo Ave

Located along San Anselmo Avenue, X˙CORE Marin provides high-intensity athletic conditioning tailored to the physical demands of tennis and racquet athletes. The facility focuses on low-impact, high-resistance training that builds core stability, explosive rotational power, and lower-body endurance—fundamental components for quick lateral adjustments and sustained rallies on the court. The training floor features custom resistance machines designed to strengthen joint stability and prevent common tennis injuries like shoulder and lower-back strain. Marin County's tennis players integrate these rigorous sessions into their weekly regimen to complement court time with functional strength. The environment is energetic, focused, and community-driven, attracting dedicated players from across the Ross Valley and greater Marin. Sessions are scheduled directly through the online booking system or mobile app, with class packages and single-session passes available for flexible scheduling around match days and tournament weekends.