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

Jul

10

San Lorenzo River Trail Run

Santa Cruz, California, United States

Free - $90.00

Trail running Running

10.1K Half-Marathon 30K Marathon +3

Jul

10

Montana Trail Series

West Yellowstone, Montana, United States

$45.00 - $80.00

Trail running

Marathon Half-Marathon Ultra 25K +17

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

17

Hot Summer Singletrack Trail Race

Fort Wayne, Indiana, United States

$30.00

Mountain biking Trail running Wheelchair

Ultra 48.3K 49.9K 29K +2

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

07

Eddy Trail Races

Annandale, Minnesota, United States

$59.99 - $79.99

Trail running

Ultra Half-Marathon

Aug

14

Summer Night Trail Run

Indianapolis, Indiana, United States

$40.00 - $53.00

Trail running

Half-Marathon 10.5K

Aug

14

Conquer The Peaks of Silver Mountain 1/2 Marathon, 5K, 13K

Kellogg, Idaho, United States

Free - $225.00

Running Trail running

Untapped CTP EXPO VENDOR Half-Marathon 5K 12.9K +1

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

14

Redwood (Summer) Trail Run

Oakland, California, United States

Free - $90.00

Trail running Running

8K Half-Marathon 30K Marathon +3