5K races in United States — 2026 trail running calendar

Jun

27

Mitchell's Mountain 5k Trail Race + 1k Dash for Hope

Fayetteville, Arkansas, United States

Trail running Running

5K 1K

Jun

27

Capt'n Karl's Trail Series - Muleshoe Bend

Spicewood, Texas, United States

Trail running Running

Ultra 30K 20K 10K +3

Jun

26

Marquette Trails Festival

Marquette, Michigan, United States

Trail running Mountain biking

2.4K 5K Half-Marathon 4.8K +2

Jun

26

The Rock the Loch 5K/10K/Half Marathon (LIVE or Virtual)

Castro Valley, California, United States

Running Trail running

5K 10K Half-Marathon +2

Jun

25

After Work Dirt Trail Races f/k/a Tiny Trails Race Series

Portland, Maine, United States

Trail running

10K 5K 10.5K

Jun

24

Forked Up Trail Series 5k/10k/Half-Marathon

Eden, Utah, United States

Trail running

5K 10K Half-Marathon

Jun

24

DFW Burning Soles Trail Series Race 4

Flower Mound, Texas, United States

Trail running

10K 5K

Jun

22

Camp Saratoga 5K Trail Series

Gansevoort, New York, United States

Trail running

5K +2

Jun

21

Sunset Trail Running Festival

Boulder, Colorado, United States

Trail running

28K 12K 5K 1K

Jun

20

Big Foot 5k and 10k Trail Races - Wild Thangs Trail Series

Huntsville, Alabama, United States

Trail running

5K 10K

Jun

20

DINO Off-Road Triathlon

North Liberty, Indiana, United States

Duathlon Triathlon Trail running

7K 1.6K 5K +1

Jun

20

Herron Half Marathon, 10K and 5K Trail Run

Kalispell, Montana, United States

Trail running

Half-Marathon 10K 5K