Missouri Half Marathons

108 upcoming half marathons across Missouri, updated nightly. Want radius search and maps? Open these in the Race Finder.

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When to race: half marathons in Missouri

Missouri has 108 upcoming half marathons over the next 12 months. Among complete calendar months, April 2027 has the most listed races, with 17. Most are around Kansas City, Branson, Maryland Heights. The next one is Gobbler 5K, 10K, & 13.1M at Branson, MO (46) on November 14 in Branson.

November 2026

December 2026

January 2027

February 2027

March 2027

April 2027

May 2027

June 2027

July 2027

August 2027

September 2027

October 2027

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More Missouri: Marathons · 5K Races · 10K Races · Ultras · All Missouri races · Browse by state