Thunder Chicken 100K Stage Races

APR-MAY
30-2
2027
A three day stage race in western St Louis County with multi stage distances over rugged trails, creek crossings and scenic bluffs.
30-2 Apr-May 2027
100 kilometers 26 miles 21 miles 25 kilometers

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Thunder Chicken 100K Stage Races

Thunder Chicken 100K Stage Races is a three-day trail running stage event held at Greensfelder County Park, Beulah Shelter, in Wildwood, Missouri. It takes place Friday April 30, 2027 through Sunday May 2, 2027 and uses trail systems in western St Louis County.

Over three days participants run on trails that wind, climb, and descend through the Rockwoods Reservation, Rockwoods Range, and Greensfelder park systems. The routes include several creek crossings, scenic vistas and bluffs, and sections through dense forest. The course terrain is described as rugged and varied across the different park systems.

The event is organized as consecutive stages with approximate distances for each day:

  • 21-ish Mi - Tour de Rockwoods Range
  • 26-ish Mi - Tour de Rockwoods Reservation
  • 25K-ish - Tour de Greensfelder

The event page notes race reports and photo galleries from past editions. The Trail Mix Fund is listed as an option for participants who cannot afford the entry fee; the fund can waive registration fees for applicants who identify as BIPOC or LGBTQ+. Visit the organization's website for the most recent information.

Events nearby

4 or 8 mile trail run or walk in St. Louis followed by a 90 minute screening of seven short films with food and social time at Muckerman Shelter.
Timed trail event on 11/28/2026 at Turkey Ridge in Wildwood with a 1.8 mile loop and 347 ft elevation gain per loop. Two time categories let runners complete as many loops as possible in 2 or 4 hours.
Trail races in Wildwood, MO on Dec 5, 2026 offering marathon, half and 10K on mixed single track and gravel; cup free event with aid stations and post race food.
A December trail race at Broemmelsiek Park offering 5 mile and 10 mile loop options, post-race music, snacks, a bonfire, and entry fees listed for each distance.
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