Half Marathons in Missouri in October
15 half marathons in Missouri are on the calendar for October 2026, in Springfield, Kansas City, Noel, Saint Louis and more. Tap a race for the course, weather, past results and how to register.
MIDNIGHT Rat Race - UNSANCTIONED · Springfield, Missouri
Garmin Kansas City Marathon · Kansas City, Missouri
Sunset Mountain's Naked Mile - Snap Dragon Style · Noel, Missouri
2026 Go! St. Louis Halloween 10K/5K/Fun Run · Saint Louis, Missouri
2026 Innsbrook Half Marathon · Wright City, Missouri
Bear Creek Run Half Marathon · Columbia, Missouri
Show Me Your Free State Marathon and Ultra · St. Joseph, Missouri
Spooky Sprint- St. Louis · St. Louis, Missouri
The Great GO! St. Louis Halloween Race · St. Louis, Missouri
The Innsbrook Half Marathon & 10k · Innsbrook, Missouri
Spooky Sprint - Kansas City · Lee's Summit, Missouri
Halloween Trick or Trot Run 5K/10K/13.1 KANSAS CITY · Kansas City, Missouri
Medal Madness 5K, 10K, & 13.1M at Kansas City, MO (44) · Kansas City, Missouri
PB&J Fuel Run 5K/10K/13.1 KANSAS CITY · Kansas City, Missouri
The SKIPPO Trail Race · Ballwin, Missouri