Upcoming Trail Running 1Ks

Endurance Grid lists twenty-four trail running 1Ks across the US, from August 2026 to April 2027 across 13 states.

24
Races
13
States

The distance

What a 1K is

A 1K is a running race where athletes run 0.6 miles long (1 kilometer) for time.

Trail running 1Ks are busiest in October and August, with the most in Texas, Arizona, California, and Michigan.

Frequently Asked Questions (FAQs)

How many 1K trail running races are there in the US?+
Endurance Grid's Race Calendar lists 24 upcoming 1K trail running races across 13 states.
How far is a 1K trail running?+
A 1K is a running race where athletes run 0.6 miles long (1 kilometer) for time.
Which states have the most 1K trail running races?+
The states with the most 1K trail running races on Endurance Grid's Race Calendar are Texas, Arizona, California, Michigan, Wisconsin, and Montana.