Marathon races in United States — 2026 trail running calendar

May

08

F^3 Cap Sauers Trail Marathon & 10 Mile

Palos Hills, Illinois, United States

$75.00 - $95.00

Trail running

Marathon 16.1K

May

15

Pechanga Trail Run

Spicewood, Texas, United States

$10.00 - $130.00

Running Trail running

Ultra Marathon Half-Marathon 10K +2

Jun

04

Rabid Raccoon 100

Beaver Falls, Pennsylvania, United States

$15.00 - $250.00

Running Trail running

5K 47.2K Ultra Half-Marathon +5

Jun

05

Weld Your Mettle Running Festival

Eaton, Colorado, United States

$35.00 - $210.00

Trail running Running

Ultra 6.9K 22.5K Marathon +9

Jun

05

Cinderella Trail Run

Oakland, California, United States

Free - $90.00

Trail running Running

8K Half-Marathon 30K Marathon +3

Jun

06

Griffith Park Trail Marathon Relay & 8K

Los Angeles, California, United States

$45.00 - $279.00

Trail running

Marathon 8K

Jun

19

Jasper Mountain Trail Fest

Dayton, Washington, United States

$30.00 - $70.00

Trail running

Half-Marathon Marathon 6.9K

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

Bob Marshall Trail Races

Seeley Lake, Montana, United States

$45.00 - $80.00

Trail running

Ultra 25K Marathon Half-Marathon +2

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