10K races in United States — 2026 trail running calendar

Jul

04

Freedom Race 5k, 10k, 15k

Fairborn, Ohio, United States

Trail running

5K 10K 15K

Jul

04

Grand Targhee Wildflower Run

Alta, Wyoming, United States

Trail running

49.9K 21.7K 9.7K 1K

Jun

28

Coventry Woods Trail Running Festival - 5K, 10K, 3HR, 6HR, and 6HR Relay

Pottstown, Pennsylvania, United States

Trail running

5K 10K

Jun

27

Hell Hath No Hurry

Carnegie, Pennsylvania, United States

Trail running

10K 30K Ultra 40K +3

Jun

27

The Universal Sole Summer Trail Challenge

Willow Springs, Illinois, United States

Trail running

4.8K 9.7K 14.5K

Jun

27

Rhino Trail Run 5K/10K/Half-Marathon/30K

Cincinnati, Ohio, United States

Trail running

5K 10K Half-Marathon 30K

Jun

27

Blue Crab Bolt Trail Run - Seneca Creek

Gaithersburg, Maryland, United States

Trail running

5.5K 10.3K

Jun

27

The Sunlight Showdown

Glenwood Springs, Colorado, United States

$100.00

Trail running

5K 10K Half-Marathon

Jun

27

Capt'n Karl's Trail Series - Muleshoe Bend

Spicewood, Texas, United States

Trail running Running

Ultra 30K 20K 10K +3

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