The Great GO! St. Louis Halloween Race

Race Overview

The Great GO! St. Louis Halloween Race features a half marathon, 10K, 5K, 1-mile fun run and 1-mile costume dog walk – with a special Halloween twist! From the serious road racer to the family dressed head-to-toe in costume completing the race together, this is a can't-miss fall event!

Event Details

• Date: 2026-10-24
• Location: 5029 Northrup Ave, St. Louis, MO
• Events: Half marathon, 10K, 5K, 1-mile fun run, 1-mile costume dog walk
• Website: Race Registration

Location

Held in picturesque Eureka, MO and The Great GO! St. Louis Halloween Race will feature partnerships with local businesses, and of course - a top-quality race with all the great things you've come to expect from GO! St. Louis events!

Post-Race Amenities

• Candy: Plenty of candy (it IS Halloween, after all!)
• Beer: 4 Hands beer for the over 21 participants
• Festival Area: A great festival area in Eureka's business district!
• Costume Contest: Don't forget to dress in costume - the Great GO! St. Louis Halloween Race Costume Contest will return this year!