Arbuckle 100

The Arbuckle 100 is a 10K, 50 Mile, and 100 Mile trail run held on Crossbar Ranch nestled in the Arbuckle Wilderness located in southern Oklahoma. Featuring rocky ATV trails and dirt jeep roads. The Crossbar Ranch website will tell you in bold letters (This Ain't Your Grandma's Backyard.) This is a 50-mile loop beginning and ending at the Crossbar Ranch entrance. This is a second-year race.
"One Of The Roughest Terrains You Will Find in Oklahoma" - William Kent; Race Director*More detailed information coming soon to the UltraSignup page and race website. We are still trying to put the new 50 mile course on a map and organize aid stations*