American River Endurance Run

APR
4
2026
Read all about the American River Endurance Run on 4 Apr 2026 in Folsom.
Sat 4 Apr 2026
50 miles 25 miles 10 miles

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About the race

American River Endurance Runs is a three-race ultra series from Folsom to Auburn, California, along the scenic American River Parkway. The flagship AR50 has become the second-largest 50-mile race in the United States, attracting veterans and newcomers, with companion 25- and 10-mile events finishing in Auburn. The course showcases canyon and river scenery as runners traverse Northern California trails.

The atmosphere is festive and supportive, with music, motivational signs, ample aid stations, and volunteers guiding finishers. Rewards include a one-of-a-kind AR50 pullover hoodie and a classic finisher medal for all distances, plus post-race food and beverages. Visit the organization's website for the most recent information.

50 mi
American River 50 Mile Endurance Run
25 mi
American River 25 Mile Run
10 mi
American River 10 Mile Run

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