Running calendar United States 2025-2026

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Explore the best running races in the United States for 2025-2026! Our updated list features 10934 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

Half Marathons Marathons Obstacle Runs Trail Runs Triathlons
May 2025
May
17-18
Sa - Su

Sehgahunda Trail Marathon

Trail Run 5 km 10 km ... 26 mi 72 km
May
17
Saturday

Beach and Back Half Marathon

5 km 13 mi
May
17
Saturday

Trailquake

Trail Run 5 km 10 km 13 mi
May
17
Saturday

The Timp Trail Marathon and Half

Trail Run 13 mi 26 mi
May
17
Saturday

Dirty Turtle 25/50k

Trail Run 25 km 50 km
May
17
Saturday

Pacifica Foothills Trail Run

Trail Run 10 km 13 mi 30 km
May
17
Saturday

Ram Party Trail Runs

Trail Run 15 km 24 km ... 60 km 55 mi
May
17
Saturday

Fit Farmer 12K Trail Run

Trail Run 12 km
May
17
Saturday

Taco 'Bout Fun Run

Trail Run 5 km 10 km
May
17
Saturday

Ferguson Twilight Run

5 km 10 km
May
17
Saturday

Superior Spring Trail Race

Trail Run 12 km 25 km 50 km
May
17
Saturday

Clear Creek Half Marathon

3 mi 6 mi 13 mi
May
17
Saturday

DWD Gnaw Bone

Trail Run 5 km 10 km ... 50 km 50 mi
May
17
Saturday

Armed Forces Endurance Run

Backyard Ultra 6 hr 12 hr 24 hr
May
17
Saturday

Adrenaline Night Runs

Trail Run 6 km 10 km ... 25 km 50 km
May
17
Saturday

Sunderbruch B&B Trail Races

Trail Run 5 km 10 km
May
17
Saturday

SMR Mayapple Trail Runs

Trail Run 5 mi 10 mi ... 50 km 50 mi
May
17-18
Sa - Su

Winona Forest's Chase The Day Trail Ultra

Backyard Ultra 2 mi
May
17
Saturday

Run/Walk for Autism 5K

5 km
May
17
Saturday

Ducky Dash

5 km
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