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Castlewood Cup

Ballwin, United States • 7 Feb 2026

The Castlewood Cup is an annual 15-kilometer trail running event held at Castlewood State Park in Ballwin, Missouri. Celebrating its 18th year in 2026, the race features a challenging course of Castlewood’s finest single-track trails, including uphills, downhills, and switchbacks, providing a true test of trail running skills. Participants enjoy a vibrant atmosphere with wave starts and a festive post-race party offering BBQ, local craft beer (for those 21+), and live music, weather permitting. The event is part of the Big River Trail Series and is managed by Big River Race Management, known for its well-organized trail races in the St. Louis area. Visit the organization's website for the most recent information.

United States Missouri Ballwin

Race information

Website
15 km
Visit the organization's website for the most recent information.
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