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Fall 2026

Fall Half Marathons 2026

1,107 fall half marathons across the US from September to November 2026. Race days typically run from 49°F at dawn to 68°F in the afternoon. A typical entry fee is $66. Dates and fees come straight from race registration and refresh every night.

1,107
fall half marathons
50
states
68°F
typical race-day high
$66
typical entry fee

Fall is the most popular time for a half marathon: the weather cools, courses run through changing leaves, and many double as a tune-up before a marathon.

October 2026

Quick answers

When are fall half marathons in the US?
The season runs September to November. The busiest month is October, with 613 of the 1,107 races listed here; November has 494.
What is the weather like for fall half marathons in the US?
Across 1,086 of these races, race day typically runs from about 49°F at dawn to 68°F in the afternoon, with rain on about 18 percent of days. Most start early, close to the low.
Which fall half marathons in the US are fastest?
By median finish time in their latest results: Empire State Half Marathon & 5k (1:37:13), Limestone Capital Half Marathon and 5K (1:51:06), and Lake Orion/Rochester - Run Michigan Cheap (1:55:46). 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 across the US usually run from $60 to $90, with a typical fee of $66 before processing fees. Most raise prices as race day nears.