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Fall 2026

Fall Half Marathons in California

95 fall half marathons in California from September to November 2026. Race days typically run from 53°F at dawn to 71°F in the afternoon. A typical entry fee is $60. Dates and fees come straight from race registration and refresh every night.

95
fall half marathons
30
cities
71°F
typical race-day high
$60
typical entry fee

October 2026

Quick answers

When are fall half marathons in California?
The season runs September to November. The busiest month is October, with 51 of the 95 races listed here; November has 44.
What is the weather like for fall half marathons in California?
Across 89 of these races, race day typically runs from about 53°F at dawn to 71°F in the afternoon, with rain on about 9 percent of days. Most start early, close to the low.
Which fall half marathons in California are fastest?
By median finish time in their latest results: Hallo-Thanks-Mas Dash – 5K, 10K, and Half Marathon (2:03:06), Judgment Day Half Marathon, 10K & 5K Run/Walk (2:06:13), and Quarry Turkey (2:07:23). 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 California usually run from $45 to $92, with a typical fee of $60 before processing fees. Most raise prices as race day nears.