The 2026 Castlewood Cup returns to Castlewood State Park. Join us for some of the most beautiful scenery and well maintained single track in Missouri! A perfect combination of hills, switchbacks, and (some!) flat terrain await you. Break up the winter monotony and get back into the woods!
Feb 21, 2026
Distance — 15K
Type — Running
10:00
$59.00
These values represent the 3-year monthly averages for February in Ballwin.
Ballwin is a western suburb of St. Louis in St. Louis County, Missouri, United States. The population was 31,103 as of the 2020 census.
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