Castlewood Cup
Ballwin, United States • 7 Feb 2026
The Castlewood Cup is an annual trail running event that will take place for its 18th edition on February 7, 2026, at Castlewood State Park. Participants will tackle a challenging 15km course featuring a variety of terrains, including uphills, downhills, and switchbacks, making it a true test of trail running skills. After the race, attendees can enjoy a post-race celebration with BBQ, beer (for those 21 and over), and live music, creating a festive atmosphere for runners and spectators alike. The event is part of the Big River Trail Series, which encourages participation in multiple races throughout the season. Visit the organization's website for the most recent information.