Half Marathons in Missouri 2026 | Upcoming Races & Dates

There are 7 half marathons in Missouri scheduled for 2026. The next is the Students on the GO! in Saint Louis on April 11. Missouri half marathons run primarily April through October.

Students on the GO!

Sat, Apr 11 · Saint Louis, MO Saint Louis

Half Marathon10K

From $50 Open

Muddy River Half Marathon

Sat, May 2 · Cape Girardeau, MO Cape Girardeau

1/2 Marathon1/2 Marathon Relay

From $60 Open 75 spots left

TOUR de HOPE Road

Sun, May 3 · Kansas City, MO Kansas City

🚴 15-Mile Route🚴‍♀️ 38-Mile Route🚴‍♂️ 55-Mile Route +1

From $20 Open

Ballwin Triathlon

Sun, Jul 19 · Ballwin, MO Ballwin

SPRINT INDIVIDUAL TRI SINGLE Wave 2 - STARTS 7:00AMSPRINT INDIVIDUAL TRI DOUBLE Wave 1 - STARTS 6:45AMREMOVE THE LIMITS BUDDY - Wave 4 - STARTS 8:30AM +3

From $25 Open 14 spots left