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 8963 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

May 2025
May
25
Sunday

Sweat, Swat ‘n Swear

Trail Run 10 mi 25 km 50 km
May
25
Sunday

Spirit Trail Run

Trail Run 9 km 13 mi 26 mi
May
25
Sunday

Badass Texas Half-Marathon

5 km 10 km 13 mi
May
25
Sunday

Minocqua Northwoods Escape Marathon

5 km 13 mi 26 mi
May
25
Sunday

Hometown Half Marathon - Louisville

5 km 10 km 13 mi
May
25
Sunday

Hometown Half Marathon - Grand Rapids

5 km 10 km 13 mi
May
25
Sunday

Forever Brave Half Marathon - Valencia

Trail Run 5 km 10 km 15 km 13 mi
May
25
Sunday

Charlie Horse Trail Half-Marathon & Dirty Pony 5K

Trail Run 5 km 13 mi
May
25
Sunday

Sucia Island: Rendezvous

Trail Run 20 mi
May
25
Sunday

Tough as Nails Adventure Race

Obstacle Run 5 mi
May
25
Sunday

Coastal Edge Steel Pier Classic 5K

5 km
May
25
Sunday

Vermont City Marathon

26 mi
May
25
Sunday

American Hero Half Marathon

5 km 10 km 13 mi 25 km
May
25
Sunday

Memorial Run

5 km
May
25
Sunday

National Wine Day 10k

5 km
May
25
Sunday

Taunton Trail Half Marathon

Trail Run 10 km 13 mi
May
25
Sunday

Narrow Gauge 10 Mile

5 km 10 mi
May
25
Sunday

The Memorial 5K

5 km
May
25
Sunday

Priest Lake Spring Fun Run

5 km 10 km
May
25
Sunday

Mighty North Fork Triathlon

Triathlon
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