Races in Missouri
As of October 6, 2026, Crewable lists 104 upcoming races in Missouri from October 2026 to August 2027. The next is Tuesday Brewsday on October 6 in O Fallon. Registration is open for 68. 2 advertise prize money.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
With aid station data
1 aid
4 aid
10 aid
Race calendar
October 2026
72 racesBackyard Ultra in New Town (Oct 10 8:00AM)
Saint Charles, MOBackyard Ultra2.6 miPrize moneyOpen until Oct 11from $25Families Run for Ovarian Cancer ROC Star 5k & 1-Mile Run/Walk
Saint Louis, MO5K1 miOpen until Oct 12from $20The Rough & Not Ready Women's Trail Weekend
Gatewood, MOInfant Loss Resources 19th Annual Strides 5K Run & 1 Mile Walk 2026
St. Louis, MO5K1 miOpen until Oct 18from $40Show 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
11 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
3 racesJanuary 2027
4 racesFebruary 2027
3 racesMarch 2027
3 racesApril 2027
4 racesMay 2027
2 racesJune 2027
1 raceAugust 2027
1 raceQuick answers
What is the next race in Missouri?
Tuesday Brewsday, on Tuesday, October 6, 2026, in O Fallon. Distances: 5K, 1 mi.
How many races in Missouri have open registration?
68 of the 104 list registration as open as of October 6, 2026, including 5th Annual Invest In Excellence 5K, Backyard Ultra in New Town (Oct 10 8:00AM) and Center Education Foundation 5K & 1 Mile.
Which races in Missouri offer prize money?
2 races advertise prize money.
How many of the races in Missouri are ultramarathons?
28 of the 104 are ultramarathons (longer than a marathon, or a backyard, timed or 200+ mile format). The other 76 are shorter races.
What is the busiest month for races in Missouri?
October 2026, with 72 of the 104. November 2026 follows with 11.
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