Half Marathons in St Louis, Missouri 2026 — MyNextRace

There are 3 half marathons in St Louis, Missouri in 2026. The next is the The Labor Day Slay 5K-10K-10K-RUCK & Half Marathon on September 5.

Sat, Sep 5 · St Louis, MO St Louis

Road 5k10k10K Ruck +1

From $39 Open Closing Soon

Sun, Mar 7 · St Louis, MO St Louis

Virtual 1 Mile1 Mile5K +11

From $17 Open Closing Soon 5 spots left

Sun, May 2 · St Louis, MO St Louis

Virtual 1 Mile1 Mile5k +11

From $17 Open 5 spots left

Half Marathons in St Louis, Missouri