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Walnut Creek · destination, not courseWalnut 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.
This is a recorded past edition. Use details as history, not as advice for a future race.
Not assessed
Not assessed for this edition
See the edition notice above.
Not assessed
Not assessed for this edition
See the edition notice above.
Not assessed
Not assessed for this edition
Suitability is not assessed.
Not assessed
Not assessed for this edition
See the edition notice above.
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.
Confirm before making plans: Date.
Verification overdue.
Dirt trails.
Aid supplies and carrying advice vary by distance. Check the instructions for your race.
Local California time; this applies to the selected distance.
This map shows the race’s listed city, not a verified start or finish. Exact start and finish locations are not confirmed.
Preview this approximate city area.
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These amounts apply to the recorded past edition. They do not confirm future prices or availability.
Price not yet confirmed
Checks are field-specific. Entry availability and fees can change.
Official organizer information
Recorded source snapshot, prepared Nov 2, 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.
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