Upcoming Trail Running Half Marathons

Endurance Grid lists one hundred eighty trail running half marathons across the US, from August 2026 to October 2027 across 36 states.

180
Races
36
States

The distance

What a Half Marathon is

A half marathon is a running race where athletes run 13.1 miles long (21.1 kilometers) for time.

Trail running half marathons are busiest in October and September, with the most in California, Texas, Ohio, and North Carolina.

Frequently Asked Questions (FAQs)

How many Half Marathon trail running races are there in the US?+
Endurance Grid's Race Calendar lists 180 upcoming Half Marathon trail running races across 36 states.
How far is a Half Marathon trail running?+
A half marathon is a running race where athletes run 13.1 miles long (21.1 kilometers) for time.
Which states have the most Half Marathon trail running races?+
The states with the most Half Marathon trail running races on Endurance Grid's Race Calendar are California, Texas, Ohio, North Carolina, Michigan, and Florida.