Ruck a Chuck 50K

MAR
13
2027
Experience the rugged beauty of the Sierra Nevada foothills on this 50K out and back course featuring 6,500 feet of elevation gain along the historic Western States Trail.
Sat 13 Mar 2027
50 kilometers

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Ruck a Chuck 50K

The Ruck a Chuck 50K is an ultramarathon event held in Foresthill, California. The race takes place in the Sierra Nevada foothills and utilizes portions of the historic Western States Trail, known for its significance in the American endurance running tradition. The course is an out and back format starting from the Driver's Flat staging area and heading toward Foresthill.

The terrain consists of rugged landscapes within the American River Canyon, including dense forests and rolling hills. Runners will cross rivers and encounter over 6,500 feet of positive elevation throughout the 31 mile distance. Because the course covers remote areas with limited vehicle access, strict cutoff times are enforced at the aid stations.

Participants have access to several aid station locations during the run. These stations provide water, electrolyte drinks, soda, and various food items such as fruit, potatoes, and salty snacks. This is a cupless event, meaning runners are required to carry their own reusable cups or water bottles to minimize waste on the trails.

Event parking is located off Foresthill Road, approximately half a mile from the starting line. A shuttle service operates before and after the race to transport participants between the parking lot and the staging area. Please note that the parking area is part of the Auburn State Park and requires a daily parking fee or a valid pass. Visit the organization's website for the most recent information.

  • 50 km
50 km
50k

Events nearby

A remote, unmarked backcountry foot race at Oxbow Reservoir, CA offering three routes from about 15 to 43 miles with large elevation gain.
Trail half marathon and 10K at Salmon Falls Ranch near Pilot Hill CA on singletrack with creek crossings and aid stations; proceeds benefit the American River Conservancy.
Trail runs in Auburn, CA on November 14, 2026 offering 3.5 mi, 7.2 mi, 13.4 mi and 30 mi courses; race proceeds support the Auburn Trails Alliance.
Trail races at Darrington Trail Head in Folsom Lake offering 5K, 10K, 18M and 36M on rocky single track with aid stations and marked routes.
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