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Fall 2026

Fall Half Marathons in Missouri

34 fall half marathons in Missouri from September to November 2026. Race days typically run from 46°F at dawn to 63°F in the afternoon. A typical entry fee is $65. Dates and fees come straight from race registration and refresh every night.

34
fall half marathons
17
cities
63°F
typical race-day high
$65
typical entry fee

October 2026

November 2026

Quick answers

When are fall half marathons in Missouri?
The season runs September to November. The busiest month is October, with 20 of the 34 races listed here; November has 14.
What is the weather like for fall half marathons in Missouri?
Across 34 of these races, race day typically runs from about 46°F at dawn to 63°F in the afternoon, with rain on about 18 percent of days. Most start early, close to the low.
Which fall half marathons in Missouri are fastest?
By median finish time in their latest results: Spooky Sprint- St. Louis (2:11:29), Yeti Endurance Weekend (2:12:35), and Spooky Sprint - Kansas City (2:17:05). A fast median usually means a flat course, cool weather, and a competitive field.
How much does a fall half marathon cost?
Current entry fees in Missouri usually run from $60 to $80, with a typical fee of $65 before processing fees. Most raise prices as race day nears.