City Hub
Events in Castro Valley, CA
GrindKit tracks 13 festivals, markets, and vendor opportunities in Castro Valley. Built for mobile coffee, food, and beverage operators.
Upcoming (7)
Dec 31, 2026
Brazen New Year's Eve Half Marathon, 10K & 5K
Jan 1, 2027
Brazen New Year's Day Half Marathon, 10K & 5K
Feb 20, 2027
Chabot / Redtail Ridge Trail Run
Feb 20, 2027
Redtail Ridge Trail Run
Date TBA
Chabot / Redtail Ridge
Date TBA
Chabot / Redtail Ridge Trail Run
Date TBA
Chabot/Redtail Ridge Trail Run