American River Endurance Run
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American River Endurance Runs 2027
The American River Endurance Runs take place on April 3, 2027, beginning at Folsom Point Boat Ramp in Folsom, California, and finishing in Auburn. The event follows trails and parkway sections along the American River between Folsom and Auburn.
Distances offered:
- 50 miles
- 25 miles
- 10 miles
Entry includes a NorCalUltras goody bag, a technical race shirt, a handcrafted finisher medallion, Neversecond gels on course, Skratch hydration on course, professional timing and results, a post race party, food from Nadia's Mac Shack, and a beverages and beer garden for those 21 and over.
Registration opens July 31, 2026 and closes March 29, 2027. Shirt sizes ordered after March 21 may not be available. Per event policy, entry fees are non-refundable and entries are non-transferable; a separate refund protection program is available for an additional fee through the race platform. Switching distances requires use of the event transfer tool and may incur processing fees or price changes.
The event lists sponsors and provides an official event website for additional logistical and lodging information. Visit the organization's website for the most recent information.
