American River Endurance Run
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American River Endurance Runs
The American River Endurance Runs take place on April 4, 2026, in the Folsom to Auburn area of Northern California. The event includes trail races of multiple distances and finishes at the Auburn Overlook. The organizer lists the American River 50 as a long-standing 50-mile ultramarathon and notes shorter options that use parts of the same corridor along the American River Parkway.
Event details and logistics
Distances:
- 50-mile
- 25-mile
- 10-mile
Entry includes a NorCalUltras goody bag, a technical race shirt, a hand-crafted finisher medallion, on-course GU gels, Skratch hydration on course, professional timing and results, and post-race food and beverages. Packet pickup is scheduled at Fleet Feet Folsom the day before the races. Registration shows available spots and tiered pricing for each distance. The organizer states that all standard entries are non-refundable and non-transferable; an optional enhanced refund protection program is available for an additional fee. Sponsors listed include Altra, GU Energy, Skratch Labs and several local partners. The event is organized by NorCalUltras and uses Folsom Point Boat Ramp as a primary start location. Visit the organization's website for the most recent information.