There are 4 running races in Ballwin, Missouri in 2026. The next is the Ballwin Kids Triathlon on September 27. Distances include 5K races, half marathons, trail runs.

Ballwin Kids Triathlon

Sun, Sep 27 · Ballwin, MO Ballwin
Triathlon Youth Jr. Age 6-9Youth Sr. Age 10-13Youth Jr. Ages 6 and under (added in with special permission) +1