5K Races Near St. Louis, MO
As of October 6, 2026, Crewable lists 29 upcoming 5K races near St. Louis, MO from October 2026 to January 2027. The next is Tuesday Brewsday on October 6 in O Fallon, MO. Registration is open for 24.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
Race calendar
October 2026
23 racesMcKendree University Homecoming & Family Weekend "Rise and Shine" 5K Walk/Run & Kids' Dash
Lebanon, IL5KClosedFamilies Run for Ovarian Cancer ROC Star 5k & 1-Mile Run/Walk
Saint Louis, MO5K1 miOpen until Oct 12from $20
November 2026
5 racesMO' Cowbell Marathon/Half-Marathon/10K/5K
Saint Charles, MOMarathonHalf Marathon+2Open until Nov 8from $35
January 2027
1 raceQuick answers
What is the next 5K race near St. Louis, MO?
Tuesday Brewsday, on Tuesday, October 6, 2026, in O Fallon, MO. Distances: 5K, 1 mi.
What is the closest 5K race to St. Louis?
Families Run for Ovarian Cancer ROC Star 5k & 1-Mile Run/Walk in Saint Louis, MO, about 1 mile from St. Louis, on October 11, 2026.
How many 5K races near St. Louis, MO have open registration?
24 of the 29 list registration as open as of October 6, 2026, including St. Mary's Oktoberfest 5k & 1 Mile Fun Run, Chili Chase 5K Run and Kids Pepper Dash and Sarcoma Stomp: Run for Research 5K/10K.
What is the busiest month for 5K races near St. Louis, MO?
October 2026, with 23 of the 29. November 2026 follows with 5.
Nearby cities
Nearby states
More ways to browse
Race planning
Plan your St. Louis race
Aid stations, cutoffs and pacing in one free plan. Crew invites and race-day updates come with a Race Pass.
Plan a race free