Trail Running Calendar United States 2025-2026

Oct

17

Saturday

Jaimie Cox Memorial Run

Roscoe, Illinois

Trail Run 2 mi 5 km

Oct

18

Sunday

Big Bear SquaTCh South

Tuxedo Park, New York

Trail Run 10 km 13 mi

Oct

18

Sunday

Fleet Feet Fall Classic Trail

Chico, California

Trail Run 4 mi 13 mi

Oct

23-25

Fr - Su

Cactus Rose Endurance Trail Race

Bandera, Texas

Trail Run 5 mi 25 mi 50 mi 100 mi

Oct

24

Saturday

Show Me Your Free State Ultra

Saint Joseph, Missouri

Trail Run 13 mi 26 mi ... 50 mi 100 mi

Oct

24-25

Sa - Su

Hare Mountain 100

Hagarville, Arkansas

Trail Run

Oct

24

Saturday

Caspers Trail Races

San Juan Capistrano, California

Trail Run 10 km Half Marathon ... Marathon 50 km

Oct

24

Saturday

Canyonlands Ultra

Moab, Utah

Trail Run 15 km Half Marathon ... 50 mi 100 km

Oct

24

Saturday

Door County Fall 50

Ellison Bay, Wisconsin

Trail Run 50 mi

Oct

24

Saturday

Trick or Trail 5K - Hendersonville

Hendersonville, North Carolina

Trail Run 5 km

Oct

24

Saturday

Tico's Gravel Grinder

Columbia, South Carolina

Trail Run 10 km

Oct

24

Saturday

Rocky Horror Trail Run

San Antonio, Texas

Trail Run 5 km 10 km 27 km 53 km

Oct

25

Sunday

Halloween Horror 10k

Gainesville, Virginia

Trail Run 5 km 10 km

Oct

25

Sunday

Allerton Park Trail Run

Monticello, Illinois

Trail Run 2 mi 6 mi

Oct

25

Sunday

Run The Farm - Katonah

Katonah, New York

Trail Run 5 mi

Oct

25

Sunday

Bigfoot Running Company - Oklahoma City

Oklahoma City, Oklahoma

Urban Trail 5 km 7 mi 13 mi

Oct - Nov

30-1

Fr - Su

Hell Creek 100

Dorrance, Kansas

Trail Run 10 km 20 mi ... 100 mi 140 mi

Oct

31

Saturday

Grand Canyon Trail Half Marathon

Grand Canyon Village, Arizona

Trail Run 5 km Half Marathon Marathon

Oct

31

Saturday

Nightmare on the Clermont Trails 5K

Clermont, Florida

Trail Run 5 km

Oct - Nov

31-1

Sa - Su

Javelina Jundred

Fort McDowell, Arizona

Trail Run 31 km 100 km 100 mi