2026 - Diablo Trail Run
2026 distances
Trail running
4 Mi
10 Mi
Half Marathon
Marathon
50K
Running
Coastal Testing
Race-day weather
Conditions on September 6, 2026 — historical Open-Meteo data.
The sun rises at 6:42 AM and sets at 7:29 PM local time (PDT) in Clayton on September 6, 2026 — 12h 47m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
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2026 results — Diablo Trail Run
205 finishers across 5 distances · leading places in the 4 Mi
| Place | Name | Time | Pace |
|---|---|---|---|
| 1 | L. Stussi | 26:33 | 6:49 /mi |
| 2 | Romain Nguyen | 26:54 | 6:54 /mi |
| 3 | Jayden An | 28:25 | 7:18 /mi |
| 4 | Leonidas Kassis | 28:54 | 7:25 /mi |
| 5 | Toni Orth | 29:08 | 7:29 /mi |
Every finisher is on the results page, filterable by distance, gender and age group.
Other races near Clayton
Different organizers, within 40 miles, in the next three months
Concord California Turkey Trot 5K
St. Agnes Friends of the Poor Walk
Walnut Creek Run Club
Restless Soles
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 1 Clayton event
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