The Firefly Overnight Endurance Challenge

The Firefly Overnight Endurance Challenge & 10k Trail Race takes place at Alum Creek State Park in Lewis Center, Ohio. This unique event features a 12-hour overnight endurance challenge on the Rocks and Roots trail, starting at night and running through the dark, with mandatory headlamps or flashlights. Additional races include a Sunset 10K, Sunrise 10K, a combined Sunrise & Sunset Double, and a free Kids 1 Mile Sunrise Trail Race.

The course is a single-track trail designed by runners, offering a fully supported, scenic experience. Camping is encouraged at the nearby group campsite, enhancing the community atmosphere of this nighttime trail running event. Visit the organization's website for the most recent information.