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Walnut Creek, CA · 2026-10-17
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.
A Mount Diablo trail half marathon with climbs and potential mud or creek crossings. The organizer welcomes walkers; review the current course and time limits.
Where it happens
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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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