Thunder Chicken 100K Stage Races

Thunder Chicken 100 Stage Races are an annual gathering at Camp Wyman in Eureka, Mo, in western St. Louis County, Missouri. The event was created for many adventure seekers, reuniting for a weekend of challenging races, fellowship and the opportunity to experience some of the best trail running STL has to offer! Over the course of three days, runners will experience some of the most challenging terrain and scenic trail systems west county has to offer! Winding, climbing and descending through the rugged Rockwoods Reservation, Rockwoods Range and Greensfelder park systems with several creek crossings, past scenic vistas and bluffs through dense forest and FALL colors. Stage 1 - 20Mi - Tour de Rockwoods Range Stage 2 - 26Mi - Tour de Rockwoods Range Stage - 25K - Tour de Greensfelder