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Walnut Creek destination photo, not a view of this race course. Walnut Creek Broadway Plaza fountain (2013-05-29 14:52:02). Photo by Utilizer · CC BY-SA 3.0 · Original image. Resized, display-cropped and gently color-graded.
Trail course. Exact distance is not yet confirmed.
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.
Official sources and recorded checks for this edition.
Checked Oct 14, 2026, 3:22 AM UTC.
Recorded value: 2026-10-17
Checked Oct 14, 2026, 3:22 AM UTC.
Recorded value: trail
Checked Oct 14, 2026, 3:22 AM UTC.
Recorded value: scheduled
Recorded source snapshot, prepared Oct 14, 2026. Availability, fees and logistics may change. Live details will refresh when available; the recorded details may change. This snapshot date is a data retrieval date, not a new organizer verification.
The route
2026 · 5K
A route map has not been verified for this exact edition and distance.
This map shows the race’s listed city, not a verified start or finish. Exact start and finish locations are not confirmed.
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Runner field notes
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