Logo

Hell Creek Half & 50K

Sylvan Grove, United States • 23 Aug 2025

The Hell Creek Half & 50K is a challenging trail running event held at Wilson State Park in Sylvan Grove, Kansas, on August 23, 2025. The race features two distances: a 50K and a half marathon, both taking place on the rugged Switchgrass Mountain Bike Trail. The course offers stunning views of Wilson Lake and includes significant elevation gains—around 3,000 feet for the 50K and 1,300 feet for the half marathon. Runners will enjoy well-marked, single-track trails with aid stations stocked with food and hydration. The event emphasizes safety, with specific rules on cutoffs, crew assistance, and littering, and offers unique swag, including medals and awards for top finishers and dogs. Visit the organization's website for the most recent information.

United States Kansas Sylvan Grove

Race information

Website Registration
50 km
3000 m+
50k
13 mi
1300 m+
1/2 Marathon
Visit the organization's website for the most recent information.
Trail runs nearby

Hell Creek 100

Dorrance - 15 mi from Sylvan Grove

The Hell Creek 100 is an ultramarathon event held from October 3 to 5, 2025, in Sylvan Grove, Kansas, featuring multiple race distances including the 100-mile, 100K, 20-mile, and the Pure Hell 140. The races take place on rugged, scenic single-track trails at Wilson State Park, with challenging elev..

The Eternal Damnation Backyard

Sylvan Grove

The Eternal Damnation Backyard is a challenging ultramarathon held at Wilson State Park in Kansas. The race features a 4-mile loop on a mix of pavement and single-track mountain bike trails, running alongside Wilson Lake. Participants aim to complete as many loops as possible within an open-ended, s..