Folsom Lake Sweetwater Trail Run
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Event overview
The Folsom Lake Sweetwater Trail Run takes place on Saturday, January 24, 2026, at Folsom Lake State Recreation Area (Salmon Falls Parking Lot) in El Dorado Hills, CA. The event offers multiple race distances with a 9-hour overall time limit. Online registration is available through the morning of the race and race-day registration and bib pick-up are offered. A commemorative medal is provided to all finishers.
- 50K
- Trail Marathon
- 30K
- Half Marathon
- 9 Mile
- 10K
- 5K
- 1 Mile
- Kids Run
Course and logistics
The courses are mostly single-track with some dirt road and small paved sections, running along trails that parallel Folsom Lake. The terrain includes gently rolling hills, oak trees, grassy areas, and technical sections. Courses are marked with ribbons, signs, and gypsum, and most distances use out-and-back routes with designated turnaround markers. Toilets are available at the start/finish and at aid stations on course.
Aid stations and water stops are located along the longer routes; drop bags may be delivered to specified aid stations. There will be at least one EMT on site. Parking in the Salmon Falls lot is paid - a self-registration fee applies per vehicle - and paid overflow lots and several free alternate parking locations are listed. A creek crossing on the trail can result in wet feet and slippery rocks; an alternate course may be used in case of inclement weather. Visit the organization's website for the most recent information.
