Course Information
25K Route
Natural Bridge State Resort parking lot on Hemlock Ridge Road past the resort lodge, joining the Sheltowee Trace Trail #100 and following until reaching the first aid station at the Gray’s Arch parking area.
Gray’s Arch parking area back to the Sheltowee Trace Trail #100 until turning left onto Rough Trail #221.
Continue on Rough Trail #221 until it becomes the Gray’s Arch trail.
From Gray’s Arch trail, turn right onto Rough Trail.
From Rough Trail, turn left onto Daniel Boone Hut Trail, continue until reaching Gray’s Arch parking area aid station.
Exit Gray’s Arch parking area aid station back to the start/ finish area via the Sheltowee Trace Trail #100 and Hemlock Ridge Road.
*Course subject to change based on conditions at the discretion or Park Rangers or Race Directors
50K Route
Natural Bridge State Resort parking lot on Hemlock Ridge Road past the resort lodge, joining the Sheltowee Trace Trail #100 and following until reaching the first aid station at the Gray’s Arch parking area.
Exit Gray’s Arch parking area back to the Sheltowee Trace Trail #100, turning right onto Buck Trail #226.
From Buck Trail #226, turn left onto Koomer Ridge Trail #220.
From Koomer Ridge Trail #220, turn right onto Rough Trail #221 ending at Sky Bridge Rd Aid Station.
Exit Sky Bridge Rd Aid Station back onto Rough Trail #221 and continue until it becomes the Gray’s Arch trail.
From Gray’s Arch trail, turn right onto Rough Trail.
From Rough Trail, turn left onto Daniel Boone Hut Trail, continue until reaching Gray’s Arch parking area aid station.
Exit the Gray’s arch parking area aid station and continue down Tunnel Ridge Road until reaching Auxier Ridge aid station.
From Auxier Ridge aid station, continue onto Auxier Ridge Trail #204.
From Auxier Ridge Trail #204 continue onto Auxier Ridge Branch Trail #203.
Continue until turning left onto Double Arch Trail #201.
Stay on Double Arch Trail #201 until reaching Auxier Ridge aid station.
From Auxier Ridge aid station, run Tunnel Ridge Road until reaching Gray’s Arch parking area aid station.
Exit Gray’s Arch parking area aid station back to the start/ finish area via the Sheltowee Trace Trail #100 and Hemlock Ridge Road.
*Course subject to change based on conditions at the discretion or Park Rangers or Race Directors
Aid Stations and Cutoffs