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 9916 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
April 2026
Apr
26
Sunday

Big sur International Marathon

26 mi
May 2026
May
1-2
Fr - Sa

Salt Flats Endurance Runs

Trail Run 5 km 50 km 50 mi 100 mi
May
1-3
Fr - Su

Wausaultra Single, Double, Limitless

Backyard Ultra 4 mi 8 mi
May
2
Saturday

South Mountain Half Marathon

Trail Run 13 mi
May
2-3
Sa - Su

Fayetteville Spartan Trifecta Weekend

Obstacle Run 5 km 10 km 21 km 50 km
May
2
Saturday

Dingneng Wang

Trail Run 26 mi
May
2
Saturday

The Ozark's Mountain Challenge

Trail Run 17 mi
May
2-3
Sa - Su

Grayson Highlands 50 Mile

Trail Run 8 mi 25 km 50 km 50 mi
May
2
Saturday

Donald Dash Trail Run

Trail Run 5 km 15 km
May
2
Saturday

Pittsburgh Marathon

5 km 4 mi 13 mi 26 mi
May
2-3
Sa - Su

Des Moines Women's Half Marathon

5 km 5 mi 10 km 13 mi
May
2
Saturday

Tuthell 50K

Trail Run 50 km
May
2
Saturday

The Tick

Trail Run 57 mi
May
2
Saturday

Door County Half Marathon

5 km 13 mi
May
2-3
Sa - Su

Eau Claire Marathon

5 km 10 km 13 mi 26 mi
May
3
Sunday

NSRF May the 4th Be With You 5K

5 km
May
3
Sunday

The Big 50 - Pine Mountain, GA

Trail Run 10 km 25 km 50 km
May
3
Sunday

Providence Rhode Races

5 km 13 mi 26 mi
May
9
Saturday

PACE Marathon

13 mi 26 mi
May
9
Saturday

Mother's Day Run/Walk - St. Charles

5 km
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