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

Aug

29

Corps of Discovery Trail Races

Saint Charles, Missouri, United States

Trail running

Half-Marathon 12.9K 8K

Aug

29

Backcountry Rise

Toutle, Washington, United States

Trail running

Ultra Half-Marathon 32.2K

Aug

29

Cape Blossom Marathon

Kotzebue, Alaska, United States

Trail running

Marathon Half-Marathon

Aug

29

SPASM Crystal Springs Trail Run

Woodside, California, United States

Trail running Running

10K Half-Marathon 35.4K Marathon +2

Aug

23

Hellbender 5k & Half Marathon

Bear Gap, Pennsylvania, United States

Trail running

Half-Marathon 5K

Aug

22

Grow Wild Trail Run

Brainerd, Minnesota, United States

Trail running

Half-Marathon 10K

Aug

22

Chupacabra 10k and Half Marathon Trail Races - Wild Thangs Trail Series

Huntsville, Alabama, United States

Trail running

10K Half-Marathon

Aug

22

Shawnee Hills Trail Races

Ozark, Illinois, United States

Trail running Running

Ultra Half-Marathon Pacer Registration +2

Aug

21

Habanero Hundred

Cat Spring, Texas, United States

Trail running Running

Ultra Marathon Half-Marathon 10K +7

Aug

16

Nitty Gritty Off Road Race

Red Lodge, Montana, United States

Trail running

Half-Marathon Marathon 6.9K +4

Aug

15

Wyeast Trailfest

Mt. Hood, Oregon, United States

Trail running

Ultra 28K 14K Half-Marathon +2

Aug

09

SAR Wild Run

Shaver Lake, California, United States

Trail running

Half-Marathon 10K 5K 3.2K