Half-Marathon races in United States — 2026 trail running calendar

May

15

Vermejo Charcoal Burner

Raton, New Mexico, United States

$90.00 - $110.00

Gravel biking Trail running

Ultra Half-Marathon +1

May

22

Farish Trail Race

Woodland Park, Colorado, United States

Free - $65.00

Trail running

Half-Marathon 10K 5K 1.6K

May

23

Diablo Trail Run

Clayton, California, United States

Free - $90.00

Trail running Running

6.4K 16.1K Half-Marathon Marathon +3

May

29

Fools

Peninsula, Ohio, United States

$40.00 - $85.00

Trail running

Ultra Marathon Half-Marathon 10K

May

29

MileBuilt 3-Day Memorial Day Bridge Challenge

Winter Park, Florida, United States

$35.00 - $85.00

Trail running Running

Ultra Marathon Half-Marathon 10K +11

Jun

04

Rabid Raccoon 100

Beaver Falls, Pennsylvania, United States

$15.00 - $250.00

Running Trail running

5K 47.2K Ultra Half-Marathon +5

Jun

05

Cinderella Trail Run

Oakland, California, United States

Free - $90.00

Trail running Running

8K Half-Marathon 30K Marathon +3

Jun

06

Fire Tower Trail Races

Cross River, New York, United States

$45.00 - $65.00

Trail running

Half-Marathon 10K

Jun

06

Lake Chabot Trail Challenge (Half Marathon & 5K)

Castro Valley, California, United States

$40.00 - $65.00

Trail running

Half-Marathon 5K

Jun

19

Race the Wolf

Sandpoint, Idaho, United States

$35.00 - $65.00

Trail running Running

8K 1.6K Marathon Half-Marathon

Jun

19

Jasper Mountain Trail Fest

Dayton, Washington, United States

$30.00 - $70.00

Trail running

Half-Marathon Marathon 6.9K

Jun

24

Race in the Clouds - Alma Dirt Festival

Alma, Colorado, United States

Free - $90.00

Running Mountain biking Duathlon Trail running

Weekend Camping FREE Kids Mountain Bike and Trail Run Ultra Marathon +7