Trail Running Calendar United States 2025-2026

Jul

25

Saturday

The Sweaty Backyard Cox Ultra

Concord, North Carolina

Backyard Ultra 4 mi

Jul

25

Saturday

Pikes Peak Ultra

Colorado Springs, Colorado

Trail Run 20 km 30 km 50 km 50 mi

Jul

25-26

Sa - Su

Hemingway Sunset Run 5K

Key West, Florida

5 km

Jul

25

Saturday

Idaho Falls Marathon

Idaho Falls, Idaho

5 km 13 mi 26 mi

Jul

25

Saturday

University Place Twisted Cider 12K

Tacoma, Washington

5 km 12 km

Jul

25

Saturday

Chisago Lakes Triathlon

Chisago City, Minnesota

Triathlon

Jul

25

Saturday

Run for the Ranch - Northfield

Northfield, Minnesota

5 km

Jul

25

Saturday

Sherrill Fireworks Run

Sherrill, New York

5 km

Jul

25

Saturday

That Dam Night Run

Arkadelphia, Arkansas

5 km

Jul

25-26

Sa - Su

Jack & Jill Downhill Marathon

North Bend, Washington

13 mi 26 mi

Jul

25

Saturday

Dennis Road Race

South Dennis, Massachusetts

3 mi 5 mi

Jul

25-26

Sa - Su

Burning River 100 Mile Endurance Run

Cuyahoga Falls, Ohio

Trail Run 42 km 50 mi 100 mi

Jul

25-26

Sa - Su

Standhope 100

Mackay, Idaho

Trail Run 100 mi

Jul

25

Saturday

St. Croix Crossing Half Marathon

Stillwater, Minnesota

5 km 10 km 21 km

Jul

25

Saturday

Tough Mountain Challenge

Newry, Maine

Obstacle Run 5 km

Jul

25

Saturday

Elder Creek Night Runs

Anza, California

Trail Run 9 mi 13 mi 30 km 50 km

Jul

26

Sunday

Matt Mason "Cowboy UP" Triathlon

Smithville, Missouri

Triathlon

Jul

27-29

Mo - We

Badwater 135

Lone Pine, California

Trail Run 135 mi

Jul

27

Monday

The Summit 200

Frisco, Colorado

Trail Run 200 mi

Aug

1

Saturday

Savage Race - Boston

Barre, Massachusetts

Obstacle Run 3 mi 7 mi