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

Trail races in Auburn, California along the American River Canyon rim with live music and free cider. Distances include a 50K, a half marathon and a 5 mile course with aid stations on the longer routes.
October 10, 2026 in Foresthill CA a fatass trail event offers 25 and 50 mile courses with heavy climbing, off trail sections, and limited entry.
Trail races in Nevada City on October 11, 2026 offering a half marathon, 10K and 5K over mixed terrain with proceeds supporting Mines to Pines trail development.
Insomnia is a night trail race in the Sierra Nevada foothills offering 35K, 14K and 5K options. Courses are marked with reflective ribbons and headlamps are required; the 35K has a 5 hour 30 minute overall cutoff.
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