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Castlewood Cup

Ballwin, United States • 31 Jan 2026

Event overview

The Castlewood Cup is a trail race held at Castlewood State Park in Ballwin, Missouri on Saturday, January 31, 2026. This edition is the 18th running of the event. The race is part of the Big River Trail Series and is included in the series points competition.

Course, logistics and extras

The event features a 15 km trail course on well maintained single track with uphills, downhills, switchbacks and some flat sections. Packet pickup is available the Thursday before the race at Big River West County (13969 Manchester Rd., Manchester, MO) and on race morning at the Castlewood State Park Special Events Area. Registration for the 15 km event is listed at $59; the price increases after December 22, 2025.

Post-race provisions listed by the organizer include a BBQ lunch, snacks, beer for those 21 and over, and live music when weather permits. Participants receive a sweatshirt and finisher medal (designs pending), and finisher photos and video will be available. Live runner tracking is offered via mobile and social platforms. 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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