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 11023 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 2026
May
2
Saturday

The Big Deal At Great Seal

Trail Run 5 km 20 mi 100 km 100 mi
May
2
Saturday

500 Festival Running Event

5 km 13 mi
May
2
Saturday

The Shepherd's Hand Community 5k

5 km
May
2
Saturday

Lake Oswego Lake Run

5 km 10 km
May
2
Saturday

Run for A-Rare-Ness

5 km 10 km
May
2
Saturday

5k for 5p

5 km
May
2
Saturday

Carolina Strawberry Festival 5K

5 km
May
2
Saturday

AHS Run for the Everglades

5 km
May
2
Saturday

Maury’s Magic Riders 5k

5 km
May
2
Saturday

Sup & Run 5K

5 km
May
2
Saturday

May the Fourth Race Half Marathon

5 km 10 km 13 mi
May
2
Saturday

Lookin For A Cure - Jupiter, FL

5 km
May
2
Saturday

White Lake Pro-Am Triathlon

Triathlon
May
2
Saturday

Smoky Mountain Bigfoot 5K

5 km
May
2-3
Sa - Su

Sunshine Double

5 km 10 km ... 26 mi 50 km
May
2
Saturday

The Office 5K

5 km
May
2-3
Sa - Su

Seattle North Spartan Event Weekend

Obstacle Run 5 km 10 km
May
2
Saturday

Moonlight Bootlegger 5k – Greensboro

Trail Run 5 km
May
2-3
Sa - Su

Riverlands 100

Trail Run
May
2
Saturday

Glorieta Twelve Hour Endurance Run

Backyard Ultra 3 mi
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