5K Races in Missouri
As of October 6, 2026, Crewable lists 55 upcoming 5K races in Missouri from October 2026 to February 2027. The next is Tuesday Brewsday on October 6 in O Fallon. Registration is open for 46.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
With aid station data
1 aid
in 4 days
Haunted 5K, 10K, & 13.1M at Branson, MO (41)
Branson, MO
Half Marathon10K+1
Open until Oct 10from $30
Race calendar
October 2026
45 racesFamilies Run for Ovarian Cancer ROC Star 5k & 1-Mile Run/Walk
Saint Louis, MO5K1 miOpen until Oct 12from $20Infant Loss Resources 19th Annual Strides 5K Run & 1 Mile Walk 2026
St. Louis, MO5K1 miOpen until Oct 18from $40Halloween Trick or Trot Run 5K/10K/13.1 KANSAS CITY
Kansas City, MOHalf Marathon10K+2Open until Oct 31from $30Medal Madness 5K, 10K, & 13.1M at Kansas City, MO (44)
Kansas City, MOHalf Marathon10K+1Open until Oct 31from $30
November 2026
8 racesMO' Cowbell Marathon/Half-Marathon/10K/5K
Saint Charles, MOMarathonHalf Marathon+2Open until Nov 8from $35Veterans Day Freedom Run 5K/10K/13.1 KANSAS CITY
Kansas City, MOHalf Marathon10K+2Open until Nov 14from $30
January 2027
1 raceFebruary 2027
1 raceQuick answers
What is the next 5K race in Missouri?
Tuesday Brewsday, on Tuesday, October 6, 2026, in O Fallon. Distances: 5K, 1 mi.
How many 5K races in Missouri have open registration?
46 of the 55 list registration as open as of October 6, 2026, including 5th Annual Invest In Excellence 5K, Center Education Foundation 5K & 1 Mile and Coffee Lovers Run 5K/10K/13.1 KANSAS CITY.
What is the busiest month for 5K races in Missouri?
October 2026, with 45 of the 55. November 2026 follows with 8.
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