The Great GO! St. Louis Halloween Half Marathon
- When
- Sat, Oct 24, 2026, 12:00 AM
- Where
- Eureka, US
- Distances
- 5K · 10K · Half Marathon
- Terrain
- ROAD
- Price
- 35–65 USD
- Typical weather
- Cool
- Organizer
- GO! Saint Louis
About
A festive, family-friendly road 5km that encourages costumes and community spirit. The course accommodates runners, walkers and strollers with course maps provided and a one-hour cutoff. Entry includes a premium long sleeve shirt, festive finisher medal, digital finisher certificate and a post-race treat bag. A finish-line festival features local vendors and trick-or-treat stations in a family-focused atmosphere.