Show Me Your Free State Marathon and Ultra
St. Joseph, MO552 ft gain
100 mi50 mi+3
Open until Oct 16from $90
100 Mile Races in Missouri
As of October 6, 2026, Crewable lists 6 upcoming 100 mile races in Missouri from October 2026 to February 2027. The next is Show Me Your Free State Marathon and Ultra on October 24 in St. Joseph. Registration is open for 3.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
Race calendar
October 2026
2 racesDecember 2026
1 raceJanuary 2027
2 racesFebruary 2027
1 raceQuick answers
What is the next 100 mile race in Missouri?
Show Me Your Free State Marathon and Ultra, on Saturday, October 24, 2026, in St. Joseph. Distances: 100 mi, 50 mi, 50K.
How many 100 mile races in Missouri have open registration?
3 of the 6 list registration as open as of October 6, 2026, including Show Me Your Free State Marathon and Ultra, Last Chance Ultra and The Shippey Endurance Runs.
What is the busiest month for 100 mile races in Missouri?
October 2026, with 2 of the 6. January 2027 follows with 2.
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