Marathon races in United States — 2026 trail running calendar

Sep

25

The Divide Trail Race

Butte, Montana, United States

$70.00 - $80.00

Trail running

Ultra 25K 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

29

Cape Blossom Marathon

Kotzebue, Alaska, United States

Trail running

Marathon Half-Marathon

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

Redwood (Summer) Trail Run

Oakland, California, United States

Trail running Running

8K Half-Marathon 30K Marathon +2

Aug

08

Cougar Mountain Trail Run Series (August)

Bellevue, Washington, United States

Trail running Running

23.3K Marathon 5K

Aug

01

Moorehead Park Trail Mazathon

Ida Grove, Iowa, United States

Trail running

Marathon 14.2K 28.3K

Jul

25

Hawaii Kai Ultra Run XTreme 2026

Honolulu, Hawaii, United States

Running Trail running

Half-Marathon 30K Marathon Ultra +3

Jul

25

Burning River

Cuyahoga Falls, Ohio, United States

Trail running Running

Ultra Marathon +2

Jul

23

Trail Camp for Big Kids

Robinsville, North Carolina, United States

Running

Marathon

Jul

18

Survive the Night Relays

Lexington, Kentucky, United States

Running Trail running

Marathon Ultra +5