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

Aug

16

Nitty Gritty Off Road Race

Red Lodge, Montana, United States

Trail running

Half-Marathon Marathon 6.9K +4

Aug

15

Summer Night Trail Run

Indianapolis, Indiana, United States

Trail running

Half-Marathon 10.5K

Aug

15

Redwood (Summer) Trail Run

Oakland, California, United States

Trail running Running

8K Half-Marathon 30K Marathon +2

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

Aug

08

Eddy Trail Races

Annandale, Minnesota, United States

Trail running

Ultra Half-Marathon

Aug

08

Mines of Spain Trail Races

Dubuque, Iowa, United States

Trail running

Half-Marathon 11.3K 6.4K

Aug

01

Hurl Elkhorn 50 Mile, 50K, and 13.1 Mile Runs

Clancy, Montana, United States

Trail running

Ultra Half-Marathon

Jul

25

Lost Turkey Trail Races

Imler, Pennsylvania, United States

Trail running Running

Ultra Half-Marathon 10K 1.6K

Jul

25

Hawaii Kai Ultra Run XTreme 2026

Honolulu, Hawaii, United States

Running Trail running

Half-Marathon 30K Marathon Ultra +3

Jul

25

Red Fox Trail Run 5K/10K/Half-Marathon

Cincinnati, Ohio, United States

Trail running

5K 10K Half-Marathon

Jul

24

Wausau Trail Run

Wausau, Wisconsin, United States

Trail running Running

5K 10K Half-Marathon 1.6K