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Trail Running Calendar United States 2026-2027

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Monthly updates for United States

Get new running races (and updates) in your inbox every month.

Explore the best trail runs in the United States for 2026-2027! Our updated list features 2708 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

April 2026
Apr
26
Su

Run with the Squirrels

Trail Run 5 km 10 km 10 mi 13 mi
Apr
26
Su

Walk4Animals & 5K Run

Urban Trail 2 mi 5 km
Apr
26
Su

Chefs For Kids 5K Trail Run

Trail Run 5 km
Apr
26
Su

Grace Hill 5K Wine Run

Trail Run 5 km
Apr-Sep
28-1
Tu

XC Summer Series

Trail Run 5 km
Apr
29
We

Patriot Power 5K

Trail Run 5 km
Apr-May
30-3
Th - Su

SHEastern States Weekend

Trail Run 4 mi 6 mi ... 14 mi 20 mi
May 2026
May
1-2
Fr - Sa

Salt Flats Endurance Runs

Trail Run 5 km 10 km ... 100 km 100 mi
May
1-3
Fr - Su

Coyote Two Moon

Trail Run 10 km 30 km ... 100 km 100 mi
May
1
Fr

San Diego 100

Trail Run 100 mi
May
1-2
Fr - Sa

Heavens Gate Marathon and Half Marathon

Trail Run 3 km 26 km 53 km
May
2
Sa

South Mountain Half Marathon

Trail Run 13 mi
May
2
Sa

Dingneng Wang

Trail Run 26 mi
May
2
Sa

The Ozark's Mountain Challenge

Trail Run 21 mi
May
2-3
Sa - Su

Grayson Highlands

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

Donald Dash Trail Run

Trail Run 5 km 15 km
May
2
Sa

Tuthell 50K

Trail Run 50 km
May
2
Sa

New River Gorge Rim to Rim Race

Trail Run 6 mi
May
2
Sa

Lake Of The Ozarks Endurance Runs

Trail Run 3 mi 5 mi 25 km 32 mi
May
2
Sa

Farm Park Challenge

Trail Run 25 km 3 hr ... 6 hr 10 hr