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Castlewood Cup

Ballwin, United States • 31 Jan 2026

Event

The Castlewood Cup is a trail race held on January 31, 2026, at Castlewood State Park in Ballwin, Missouri. The event is in its 18th year and features a 15 km course run largely on single-track trails. The course includes uphills, downhills, switchbacks, and some flat sections. Organizers provide a sweatshirt and a finisher medal for 2026; designs are pending. Finisher photos and video will be available, and live runner tracking is offered via mobile and social media.

Logistics

Packet pickup is scheduled before race day at a Big River running store location in Manchester, Missouri, and on race morning at the Castlewood State Park Special Events Area. The listed entry price for the 15 km event is $59; the price increases after December 22, 2025. The Castlewood Cup is part of the Big River Trail Series; series points are tallied for runners who participate in three of the six designated events. The race is presented by Big River Race Management. Post-race amenities include a BBQ lunch, snacks, beer for those 21 and over, and live music when weather permits. Visit the organization's website for the most recent information.

United States Missouri Ballwin

Race information

Website Registration
15 km
15 Km Trail Race
Visit the organization's website for the most recent information.
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