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 8872 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
30-31
Fr - Sa

Fargo Marathon

5 km 10 km 13 mi 26 mi
May - Jun
30-1
Fr - Su

Stevi's Roost 48 Hour Ultra

Backyard Ultra 2 mi
May
30-31
Fr - Sa

Running up for Air - Kyhv Peak

Trail Run 3 hr 6 hr 12 hr 24 hr
May
30-31
Fr - Sa

Yankee Springs Trail Run

Trail Run 10 km 25 km 50 km 100 km
May
30
Friday

Shearer's Chip Chase

5 km
May
30
Friday

That 70's Run

3 mi
May
30-31
Fr - Sa

Lava Rocks Sprint Triathlon

Triathlon
May
30
Friday

Mendon Mauler Trail Run

Trail Run 4 mi 8 mi
May
30
Friday

Carolina Adventists Run for Life

5 km
May - Jun
31-1
Sa - Su

Monterey Spartan Event Weekend

Obstacle Run 5 km 10 km
May
31
Saturday

Savage Race - Charlotte

Obstacle Run 3 mi 7 mi
May - Jun
31-1
Sa - Su

Colorado Springs Spartan Event Weekend

Obstacle Run 5 km 10 km 21 km 50 km
May
31
Saturday

Elsa Chicken Plucker Backyard Ultra

Backyard Ultra 4 mi
May
31
Saturday

Smith Rock Classic

Trail Run 10 mi 50 km 50 mi
May
31
Saturday

Lake to Ocean 100K

Trail Run 100 km
May
31
Saturday

The More Miles Last One Standing Challenge

Backyard Ultra 4 mi
May - Jun
31-1
Sa - Su

Mohican 100 Trail Run

Trail Run 26 mi 50 mi 100 mi
May
31
Saturday

Worlds End Ultramarathon

Trail Run 50 km 100 km
May
31
Saturday

Cayuga Trails

Trail Run 50 km 50 mi
May
31
Saturday

Sonoma Coast Trail Runs

Trail Run 13 mi 30 km 26 mi 50 km
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