2025 - Mammoth Bar Trail Runs
2025 distances
Trail running
Half Marathon
Elevation gain is approximately 4,300 ft. Aid Stations: Castle Rock Aid: mile 2 F.D.L. Aid: mile 5 Castle Rock Aid: mile 11.3
10K
Elevation gain is approximately 1,900 ft. Aid Stations: Castle Rock Aid: mile 2 Castle Rock Aid: mile 4.5
5K
Elevation gain is approximately 955 ft. No Aid Stations.
Race-day weather
Conditions on September 7, 2025 — historical Open-Meteo data.
The sun rises at 6:39 AM and sets at 7:25 PM local time (PDT) in Auburn on September 7, 2025 — 12h 45m 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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2025 results — Mammoth Bar Trail Runs
62 finishers across 3 distances · leading places in the Half Marathon, Overall Results
| Place | Name | Time | Pace |
|---|---|---|---|
| 1 | Jessy Herring | 2:56:11 | 13:27 /mi |
| 2 | Morgan Antaramian | 3:00:58 | 13:49 /mi |
| 3 | Emily Sall | 3:01:54 | 13:53 /mi |
| 4 | Thomas Dryden | 3:13:08 | 14:45 /mi |
| 5 | Alex Tschopp | 3:14:56 | 14:53 /mi |
Every finisher is on the results page, filterable by distance, gender and age group.
Other races near Auburn
Different organizers, within 40 miles, in the next three months
Bowman Run with the Bulls presented by Hotel Vista Sierra
Auburn Santa Run/Walk 5k
Auburn Resolution Run
Heart of Cool Trail Run
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, 13 Auburn events
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