California · Half Marathon · 10K
Acorn Creek Trail Run
Acorn Creek Trail Run is a half marathon and 10K event held in Pilot Hill, California. It was last held on October 24, 2026 and is usually run in October; the next date hasn't been announced yet. About 175 runners take part across all distances.
- Usually held
- October
- Location
- Pilot Hill, CA
- Field size
- ~175 runners
Race details
- Last held
- October 24, 2026
- Usually held in
- October
- Location
- Pilot Hill, California
- Distances
- Half Marathon, 10K
- Field size
- About 175 runners
- Registration
- ultrasignup.com
- Official website
- bizzrunningcompany.com
Registration, course & weather
- Registration status
- Registration status as last checked September 28, 2026: open
- Start time
- 6:00 AM PDT
- Course profile — 10K
- Loop course; Mostly trail, some road; Not USATF certified
- Course profile — Half Marathon
- Loop course; Mostly trail, some road; Not USATF certified
About the Acorn Creek Trail Run
The Acorn Creek Trail Run is a fundraiser for the American River Conservancy held on singletrack trails at Salmon Falls Ranch near Pilot Hill, CA. The 10K is one lap of the course (an Orange loop up to the Folsom Lake Overlook and a Blue loop back via Cattle Chute and Sidewinder trails); the Half Marathon is two laps.
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Guides from the RaceRove blog
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
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- Blog All guides Planning advice for finding, choosing and travelling to races.
Acorn Creek Trail Run: common questions
- When is the Acorn Creek Trail Run?
- The next date hasn't been announced in the listing yet. The race is usually held in October. Check the organiser's website for the official date.
- Where is the Acorn Creek Trail Run held?
- In Pilot Hill, California.
- What distances does the Acorn Creek Trail Run offer?
- Half Marathon and 10K.
- How many people run the Acorn Creek Trail Run?
- About 175 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the Acorn Creek Trail Run?
- Registration is handled by the organiser at ultrasignup.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Acorn Creek Trail Run?
- Registration status as last checked September 28, 2026: open.
- What time does the Acorn Creek Trail Run start?
- 6:00 AM PDT.
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.