Upcoming Trail Running 15Ks

Endurance Grid lists fifty trail running 15Ks across the US, from October 2026 to October 2027 across 21 states.

50
Races
21
States

What a 15K is

A 15K is a running race where athletes run 9.3 miles long (15 kilometers) for time.

Trail running 15Ks are busiest in November and April, with the most in Ohio, Texas, California, and Missouri.

Frequently Asked Questions

How many 15K trail running races are there in the US?
Endurance Grid's Race Calendar lists 50 upcoming 15K trail running races across 21 states.
How far is a 15K trail running?
A 15K is a running race where athletes run 9.3 miles long (15 kilometers) for time.
Which states have the most 15K trail running races?
The states with the most 15K trail running races on Endurance Grid's Race Calendar are Ohio, Texas, California, Missouri, Wisconsin, and Florida.