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Trail Running Calendar United States 2025-2026

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Explore the best trail runs in the United States for 2025-2026! Our updated list features 1997 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

May 2026
May
16-17
Sa - Su

Spider Mountain Trail Race

Trail Run 4 mi 8 mi ... 9 hr 12 hr
May
16
Saturday

Bluewater Canyon Trail Race

Trail Run 5 mi
May
16
Saturday

Sehgahunda Trail Marathon

Trail Run 4 mi 6 mi ... 26 mi 72 km
May
16
Saturday

Dash Through the Dirt Half

Trail Run 5 km 10 km Half Marathon
May
16
Saturday

Motion for Justice 5K

Trail Run 5 km
May
16
Saturday

Trails To the Sky 50k

Trail Run 10 km 50 km
May
16
Saturday

Cancer Active Trail Race

Trail Run 5 km
May
16
Saturday

Free Spirit 50k

Trail Run 50 km
May
16
Saturday

DWD Gnaw Bone

Trail Run 5 km 10 km ... 26 mi 50 km
May
16
Saturday

Fort Morgan to Florida 50k

Trail Run 50 km
May
16
Saturday

Canterbury Shaker Village XC 5k

Trail Run 5 km
May
16
Saturday

Bodies Race Company - Indianapolis

Trail Run 5 km 10 km Half Marathon
May
16
Saturday

Conestoga Crusher 10K Trail Race

Trail Run 2 mi 5 km 10 km
May
16
Saturday

Bigfoot Running Company - Houston

Trail Run 3 mi 6 mi
May
16
Saturday

The Mad Maple 50K @ Hueston Woods

Trail Run 50 km
May
16
Saturday

Peace Officer Memorial Endurance Ruck

Trail Run 5 km 4 hr
May
17
Sunday

Armadillo Trail Run

Trail Run 10 km
May
17
Sunday

Gorgonio View Trail Run

Trail Run 10 km
May
17
Sunday

Spring Run the Farm

Trail Run 5 mi
May
17
Sunday

Highball to Thurmond Ultra

Trail Run 50 km 50 mi
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