Missouri · Half Marathon

2026-2027 Half Marathons in Missouri

Every upcoming Half Marathon in Missouri, all 104 of them, sorted by date. Dates, entry fees, finish-time stats from past results, and start-line maps.

104 upcoming half marathons · 38 with finish-time stats

5K Races 22610K Races 136Marathons 9Ultramarathons 5
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By the numbers

The Biggest and Longest-Running

The Missouri races that stand out on the numbers: the biggest field, and the longest unbroken run of editions.

Largest field3,264 finishersRock The Parkway Half Marathon and 5kin the Half Marathon

Missouri Half Marathons by City

Kansas City 40Branson 19St. Louis 14Springfield 6Maryland Heights 5St. Charles 3Parkville 3Ballwin 2Glencoe 2Lee's Summit 1Rolla 1Liberty 1Lake Ozark 1Cape Girardeau 1Eminence 1Augusta 1Jefferson City 1Columbia 1St. James 1

Half Marathons in Missouri by Month

October 2026 5November 2026 16December 2026 8January 2027 9February 2027 10March 2027 11April 2027 14May 2027 12June 2027 5August 2027 5

The Next Half Marathons in Missouri

104 total
Sun, Oct 25, 2026The Great GO! St. Louis Halloween Race St. Louis, MOHalf Marathon10K5K1 MileFrom $110Details Sun, Oct 25, 2026Spooky Sprint - Kansas City Lee's Summit, MO50m1 Mile5K10KRegistration closedFrom $78Details Sat, Oct 31, 2026PB&J Fuel Run 5K/10K/13.1 KANSAS CITY Kansas City, MO5K10KHalf Marathon1 MileFrom $60Register Sat, Oct 31, 2026Medal Madness 5K, 10K, & 13.1M at Kansas City, MO (44) Kansas City, MO5K10KHalf MarathonFrom $65Register Sat, Oct 31, 2026Halloween Trick or Trot Run 5K/10K/13.1 KANSAS CITY Kansas City, MO5K10KHalf Marathon1 MileFrom $60Register Sun, Nov 1, 2026The SKIPPO Trail Race Ballwin, MO10KHalf Marathon30KFrom $59Details Sun, Nov 1, 2026Bass Pro Shops Marathon Weekend Springfield, MOMarathonHalf Marathon5KRegistration closedPricing TBADetails Sat, Nov 7, 2026Gobbler 5K, 10K, & 13.1M at Kansas City, MO (45) Kansas City, MO5K10KHalf MarathonFrom $65Register Sun, Nov 8, 2026MO' Cowbell Marathon/Half-Marathon/10K/5K Saint Charles, MOMarathonHalf Marathon10K5KFrom $112Details Sun, Nov 8, 2026Saint Louis Track Club Half Marathon and 5K Saint Louis, MOHalf Marathon5KFrom $120Details Sat, Nov 14, 2026Turkey Trails - Springfield Springfield, MO50m1 Mile5K10KFrom $60Details Sat, Nov 14, 2026Gobbler 5K, 10K, & 13.1M at Branson, MO (46) Branson, MO5K10KHalf MarathonFrom $65Register

How we calculate these stats: RunSesh calculates these figures from the most recent published results of past editions, sourced from RunSignup. We show aggregates only: field size, winning and median times, and the cutoff. We never publish individual finisher tables. Last updated Oct 25, 2026.

Common Questions About Running a Half Marathon in Missouri

Which Missouri cities have the most half marathons?

Kansas City (40), Branson (19), St. Louis (14), Springfield (6) lead the state for Half Marathon races. Those give you the most dates to choose from if your schedule is tight.

When are most half marathons held in Missouri?

November is the busiest month for Half Marathon races in Missouri, with 16 of the 104, followed by April with 14. If you are flexible on the date, that is the quickest way to narrow things down.

Are Missouri Half Marathon races beginner-friendly?

Yes, for the most part. Across the 34 Half Marathon races in Missouri with published results, the typical median finish is around 2:11:18, which means half of every one of those fields came in slower than that. Recreational runners and walk-runners are the bulk of these fields, not the exception.

Are there trail Half Marathon races in Missouri?

Yes, 6 races around Missouri get you off the pavement: 5 are trail races, and 1 mixes road and trail.