80.5 kmMixed road & trail🇺🇸 Folsom, United States

American River 50 Mile

Saturday, 3 April 2027In 5 months · Start 06:00

One of the oldest 50-milers in the US: paved river bike paths from Folsom Lake give way to the rolling Pioneer Express single-track through the American River canyon, ending with a long climb to Auburn.

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Facts checked 24 Oct 2026 against raceroster.com, ultrarunning.com.

Elevation gain

1,675 m

Mountain · ↓ 1,400 m

Start altitude

43 m

above sea level, from terrain data

Temp at start

8°C

Peaks around 15°C

Entry fee

≈ $340

Open entry

Finishers

—

typical year

Course

Point to point

14h cut-off

Getting thereFly into SMF (Sacramento), about 37 km from the start

Plan your trip to Folsom

Race weekends book up early. Searches are set for the race dates.

Hotels near the start lineFri 2 Apr – Sun 4 Apr · 2 nights · closest to the start firstSee hotels on Booking.com Flights to FolsomArrive Thu 1 Apr, fly home Mon 5 AprSee flights on Google Flights

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Course map

A detailed route is not available for this race yet. The marker shows the race location.

Elevation profile

Mountain: about 1,675 m of climbing and 1,400 m of descent. A detailed profile isn’t available for this race yet.

Race-day weather

At start

8°C

Peak during race

15°C

Humidity

75%

Chance of rain

10%

Wind

9 km/h

3 April in past years

Historical averages for 3 April ±3 days, 2016–2025, from 06:00 for 5 hours (70 days sampled). Source: Open-Meteo / ERA5.

Finish times by age group

No data yet. We’re collecting age-group results race by race.

Runner reviews

What time could you run here?Adjust your goal time for this course’s hills and typical race-day weather.Race time calculator →

Guides for this race

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<a href="https://irun42.com/race/american-river-50" title="American River 50 Mile on iRun42"><img src="https://irun42.com/badge/american-river-50.svg" width="300" height="120" alt="American River 50 Mile: course, elevation and race-day weather on iRun42" /></a>

Around the same time

All races in April 2027 →

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