Half marathons in Castro Valley
1 upcoming race. See all races in Castro Valley or half marathons worldwide.
- Brazen New Year RunsJan 1, 2027 · 5–21.1 km
Other upcoming races in Castro Valley
- Chabot/Redtail Ridge Trail RunFeb 20, 2027 · 5–10 km
1 upcoming race. See all races in Castro Valley or half marathons worldwide.