Experience the grandeur and challenge of Northern California's iconic American River Endurance Run, set for April 3, 2027. This historic race invites runners to traverse an awe-inspiring journey from Folsom through Sacramento before reaching Auburn, following the scenic American River Parkway that winds through lush landscapes and offers breathtaking views. The full marathon distance of 50 miles is a testament to endurance running excellence, pushing participants to their limits while celebrating over four decades of tradition. For those seeking a more manageable challenge, the race also features a 25-mile option and a shorter yet equally scenic 10-mile route, each offering an intimate glimpse into the supportive trail community that defines this event. Participants will enjoy meticulously crafted course amenities including NorCalUltras Goody Swag Bag, Technical Race Shirt, Hand Crafted Finisher Medallion, NeversecondGels on Course, Skratch Hydration Stations, and Professional Timing Services. The post-race celebration at Nadia's Mac Shack provides a warm welcome for all runners to unwind with beverages and a beer garden available for those over 21. The race is more than just miles covered; it’s an immersive experience that highlights the beauty of Northern California while fostering a sense of community among trail enthusiasts. For detailed information, lodging options in Folsom, and further registration details, visit the official American River 50 website. Join us on April 3rd to be part of this cherished tradition and immerse yourself in the spirit of endurance running along the picturesque American River Parkway. Experience camaraderie, scenic beauty, and personal achievement at the heart of Northern California's most celebrated ultra race. See you there!
Races Offered
American River 10
Opening soon
Apr 03, 2027
straighten
Distance —
American River 10
Opening soon
terrain
Type —
Running
timer
06:00
sell
$92.93
American River 25
Opening soon
Apr 03, 2027
straighten
Distance —
American River 25
Opening soon
terrain
Type —
Running
timer
06:00
sell
$199.92
American River 50
Opening soon
Apr 03, 2027
straighten
Distance —
American River 50
Opening soon
terrain
Type —
Running
timer
06:00
sell
$328.31
Weather History
These values represent the 3-year monthly averages for April in Folsom.
thermostatTemperature
8.7° / 20.6°
wb_sunnyFeels like
6.3° / 18.6°
light_mode
Avg sunshine hours
11h 18m
water_drop
Avg rainfall
1.1 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
8.7 km/h (Light breeze)
opacity
Sweat loss rate
Low
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Moderate (5.0)
humidity_mid
Humidity
69.1%
wb_twilight
Sunrise
06:26
nightlight
Sunset
19:41
About Folsom
Learn more about the host city, Folsom.
Folsom is a city of 82,000 people (2019) in Sacramento County in California. Folsom is home to Folsom Lake College, Folsom Dam, Folsom Prison and a historic district. Folsom is also home to the largest private employer in the Sacramento area, Intel.