Half Marathons in Missouri
As of October 6, 2026, Crewable lists 22 upcoming half marathons in Missouri from October 2026 to March 2027. The next is Coffee Lovers Run 5K/10K/13.1 KANSAS CITY on October 10 in Kansas City. Registration is open for 20.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
Race calendar
October 2026
15 racesShow Me Your Free State Marathon and Ultra
St. Joseph, MO552 ft gain100 mi50 mi+3Open until Oct 16from $90Halloween 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
5 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
December 2026
1 raceMarch 2027
1 raceQuick answers
What is the next half marathon in Missouri?
Coffee Lovers Run 5K/10K/13.1 KANSAS CITY, on Saturday, October 10, 2026, in Kansas City. Distances: Half Marathon, 10K, 5K.
How many half marathons in Missouri have open registration?
20 of the 22 list registration as open as of October 6, 2026, including Coffee Lovers Run 5K/10K/13.1 KANSAS CITY, Cookie Run 5K/10K/13.1 KANSAS CITY and Haunted 5K, 10K, & 13.1M at Branson, MO (41).
What is the busiest month for half marathons in Missouri?
October 2026, with 15 of the 22. November 2026 follows with 5.
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