Thunder Chicken 100K Stage Races
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Thunder Chicken 100K Stage Races - April 30 to May 2, 2027
Thunder Chicken 100K Stage Races is a three day trail running stage race held in Wildwood, Missouri, hosted at Greensfelder County Park (Beulah Shelter) and organized by Terrain Trail Runners. The event links trail systems in Greensfelder Park, Rockwoods Range, and Rockwoods Reservation and features varied singletrack, creek crossings, bluffs, and technical footing.
Distances:
- 21-ish miles Stage 1
- 26-ish miles Stage 2
- 25K-ish Stage 3
Stage 1 is an out-and-back connecting Greensfelder and Rockwoods Range with roughly 2,650 feet of cumulative elevation gain, rocky and rooty sections, and multiple creek crossings. Stage 2 covers full sections of the Beulah Trail and Lime Kiln Trail Loop with about 4,150 feet of cumulative elevation gain and sustained steep climbs and technical terrain. Stage 3 emphasizes flowing singletrack in Greensfelder with some punchy technical sections and about 1,850 feet of cumulative elevation gain, including a final climb of roughly 340 feet.
There will be at least one aid station per stage. The event is cup free; participants should bring a reusable drinking receptacle and a mess kit for post-race food; collapsible cups are available for purchase at check-in. Registrations include a custom cotton/poly shirt (guaranteed with registration by April 3, 2027), belt buckles for all three day finishers, and stage medals for individual stage finishers. Awards for overall male, female, and non-binary finishers apply to three day finishers only. The event participates in the Trail Mix Fund to help cover registration for those who cannot afford it. Visit the organization's website for the most recent information.
