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 11199 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

Take 5 in The Garden

Trail Run 5 km 5 mi 10 mi
May
2
Saturday

Heartland 50

Trail Run 25 km 50 km 50 mi
May
2
Saturday

IronHorse - Riceville, IA

5 km 10 km 21 km 42 km
May
2-3
Sa - Su

Tacoma City Marathon

5 km 10 km 21 km 42 km
May
2-3
Sa - Su

Maine Coast Marathon

5 km 21 km 42 km
May
2
Saturday

Miwok 100K

Trail Run 100 km
May
2
Saturday

Run2Believe 5k

5 km
May
2
Saturday

Dogwood Classic 5K Run/Walk

5 km
May
2
Saturday

Home Run 5K

5 km
May
2
Saturday

Thibodaux Firemen's Fair 5k

5 km
May
2
Saturday

Never Say Never Half Marathon

10 km 13 mi
May
2
Saturday

Daly Dash

5 km
May
2
Saturday

Will Run for Tacos

5 km 5 mi
May
2
Saturday

Klein ISD Education Foundation 5K

5 km
May
2
Saturday

AIMHigh- Keep Pressing 10K

5 km 10 km
May
2
Saturday

Kiwanis Club of Wythe County 5K

5 km
May
2
Saturday

Dash for the Derby

5 km
May
2
Saturday

Nurses Rock

5 km 10 km
May
2
Saturday

Cheadle Lake 10K Fun Run

5 km 10 km
May
2
Saturday

Fight Hunger 10K

5 km 10 km
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