The Eternal Damnation Backyard

The Eternal Damnation Backyard returns to Sylvan Grove, Kansas on April 24th, offering runners a unique challenge across the Switchgrass Mountain Bike Trail in Wilson State Park.
Located outside of Dorrance, KS, this event takes place within Wilson State Park’s Hell Creek area. On race morning, participants can expect cool temperatures and moderate UV exposure around sunrise as they start their journey from the parking lot near the Switchgrass trailhead. The atmosphere is marked by a blend of natural beauty and technical terrain, with runners experiencing both paved roads and single-track trails.
The Eternal Damnation Backyard has been running for several years, attracting endurance enthusiasts who value its challenging course design and scenic setting. Wilson Lake’s clear waters provide a stunning backdrop as the race progresses through the park's diverse landscape. While no specific charity is highlighted in this year’s event details, past editions have celebrated local environmental conservation efforts.
The course begins on pavement before transitioning to single-track mountain bike trails that wind around Wilson Lake. Runners will loop back each hour to maintain their position until they are the last one remaining or drop out due to fatigue. The trail conditions remain firm and slightly soft throughout, offering a consistent footing for participants as they navigate this demanding circuit.
Weather-wise, April in Kansas typically presents comfortable temperatures with moderate UV exposure early in the morning. Expect clear skies and mild winds on race day, making it ideal for those looking to push their limits under favorable outdoor conditions. Humidity levels are usually low during spring mornings, ensuring a dry environment that encourages efficient running.

The Eternal Damnation Backyard offers one main distance: Last Man Standing (fee=$125.00).
To register, visit the official event page at https://ultrasignup.com/register.aspx?did=138614 where you can find all necessary information and complete your entry before deadlines approach. Bib pickup will take place on race morning from 7:00 AM to 9:00 AM in Wilson State Park’s parking lot adjacent to the Switchgrass Mountain Bike Trail.
The start location is situated at 3 State Park Road, Sylvan Grove, KS where participants can familiarize themselves with the loop course layout prior to the event. Age requirements are not specified but it's assumed that runners must be of legal age for endurance sports in Kansas.
Join us on April 24th for a day of challenging terrain and scenic beauty at The Eternal Damnation Backyard in Sylvan Grove, KS. This race is worth attending for its blend of natural splendor and the unique Last Man Standing format that tests both physical stamina and mental fortitude among runners from across Kansas and beyond.