Triathlon Calendar United States 2025-2026

Jul

24

Friday

Stink Stank Stunk 5k

Bolivar, Ohio

5 km

Jul

24-25

Fr - Sa

Maah Daah Hey Trail Run(s)

Medora, North Dakota

Trail Run 3 mi

Jul

25

Saturday

Elkhorn Crest 50

Sumpter, Oregon

Trail Run 50 km 53 mi

Jul

25

Saturday

Webster Trail Classic

Webster, New York

Trail Run 4 mi 10 mi

Jul

25

Saturday

NSRF Hip Hop Half Marathon & 5K

Kings County, New York

5 km 21 km

Jul

25

Saturday

Lost Sierra Endurance Race

Downieville, California

Trail Run 25 km 50 km 100 km

Jul

25-26

Sa - Su

The Mighty Mosquito Trail Race

Honeoye Falls, New York

Trail Run 10 mi 20 mi ... 99 mi 100 mi

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