Upcoming Trail Running 50Ks

Endurance Grid lists one hundred twenty-two trail running 50Ks across the US, from October 2026 to November 2027 across 29 states.

122
Races
29
States

What a 50K is

A 50K is a running race where athletes run 31.1 miles long (50 kilometers) for time.

Trail running 50Ks are busiest in November and March, with the most in Texas, California, North Carolina, and Pennsylvania.

Frequently Asked Questions

How many 50K trail running races are there in the US?
Endurance Grid's Race Calendar lists 122 upcoming 50K trail running races across 29 states.
How far is a 50K trail running?
A 50K is a running race where athletes run 31.1 miles long (50 kilometers) for time.
Which states have the most 50K trail running races?
The states with the most 50K trail running races on Endurance Grid's Race Calendar are Texas, California, North Carolina, Pennsylvania, Ohio, and New Jersey.