Upcoming Trail Running Marathons

Endurance Grid lists eighty trail running marathons across the US, from August 2026 to July 2027 across 25 states.

80
Races
25
States

The distance

What a Marathon is

A marathon is a running race where athletes run 26.2 miles long (42.2 kilometers) for time.

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

Frequently Asked Questions (FAQs)

How many Marathon trail running races are there in the US?+
Endurance Grid's Race Calendar lists 80 upcoming Marathon trail running races across 25 states.
How far is a Marathon trail running?+
A marathon is a running race where athletes run 26.2 miles long (42.2 kilometers) for time.
Which states have the most Marathon trail running races?+
The states with the most Marathon trail running races on Endurance Grid's Race Calendar are Texas, California, Ohio, Indiana, Montana, and Colorado.