Marathons in Missouri, United States
72 upcoming races are listed in Missouri, including 24 marathons, 64 half marathons and 15 ultras. The next is Golden Harvest Half Marathon & 5k/10k - St. Louis on September 26, 2026.
October has the most races. Race pages link the official source where we have one. Confirm dates and prices with the organizer before you register.
72
Races listed
24
Marathons
October
Busiest month
25 May
Last updated
Go a level deeper
Links go down the map, not sideways. Each region and city has its own page of races.
Cities
Common questions
When is the next race in Missouri?
Golden Harvest Half Marathon & 5k/10k - St. Louis on September 26, 2026. The table above lists every upcoming race in date order.
Which months are busiest in Missouri?
October (24), November (17), December (8), counting every upcoming race listed in Missouri.
Which distances can I run in Missouri?
The listed races include 24 marathons, 64 half marathons, 15 ultras, 43 10Ks and 43 5Ks. Many events offer more than one distance on the same day.
How do I confirm a race’s details?
Open the race page and check its provenance ledger, which shows where each fact came from. Then confirm the date, price and entry rules with the organizer before you register or book travel.
Spotted something wrong on this page?
Dates and prices move · tell us and we check the organizer’s source