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

Jun

05

Cinderella Trail Run

Oakland, California, United States

Free - $90.00

Trail running Running

8K Half-Marathon 30K Marathon +3

Jun

06

Lake Chabot Trail Challenge (Half Marathon & 5K)

Castro Valley, California, United States

$40.00 - $65.00

Trail running

Half-Marathon 5K

Jun

06

Fire Tower Trail Races

Cross River, New York, United States

$45.00 - $65.00

Trail running

Half-Marathon 10K

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

Jul

10

Yellowstone Park Trail Races

West Yellowstone, Montana, United States

$45.00 - $80.00

Trail running Running

Marathon Half-Marathon Ultra 25K +2

Jul

10

Montana Trail Series

West Yellowstone, Montana, United States

$45.00 - $80.00

Trail running

Marathon Half-Marathon Ultra 25K +17

Jul

17

Bob Marshall Trail Races

Seeley Lake, Montana, United States

$45.00 - $80.00

Trail running

Ultra 25K Marathon Half-Marathon +2

Jul

24

Squatchy Surprise

South Orange Village, New Jersey, United States

Free - $95.00

Trail running

Ultra Half-Marathon Hardship Entry

Aug

01

Two Face 10K

Wexford, Pennsylvania, United States

$65.00 - $77.50

Running Trail running

Half-Marathon 10K 11.3K

Aug

14

Dark Horse Trail Series (26.2 - 13.1 - 10k)

Mill Spring, North Carolina, United States

$25.00 - $35.00

Trail running

Marathon Half-Marathon 10K

Aug

21

Moonlight on the Falls - Marathon, Half Marathon, Quarter Marathon, and Distance Challenge

Davis, West Virginia, United States

$82.00 - $175.00

Running Trail running

Marathon Half-Marathon 10.5K 2026 Season Pass - Unlimited Racing +2