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Castro Valley, CA · 2026-12-31
Half Marathon
Recorded source snapshot, prepared 2026-10-10. Availability, fees and logistics may change. Live details will refresh when available; reconfirm with the organizer before planning. This snapshot date is a data retrieval date, not a new organizer verification.
Official information needs review. Keep source conflicts and unknowns in mind.
A trail half marathon around Lake Chabot to close the year. The optional two-day challenge combines separate half marathons; it is not a single marathon event.
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A precise public point has not been confirmed. Check the organizer’s location instructions before travelling.
The route
2026 · Half Marathon
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