Trail Race · Castro Valley
Trail Races in Castro Valley, CA in April
Every trail race happening in or near Castro Valley during April. Sorted by date with deterministic 0–100 scores so you can pick the right one for your goal.
We don't have enough data here yet, so this page isn't indexed by search engines.
Other
Sat, Apr 11, 2026
Castro Valley, California
trail
Rolling
30PR40value50vibe
scenic
Get an alert when a new race is added
Save this search and we'll email you when a matching race opens registration or drops in price.