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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 3055 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

December 2026
Dec
4-5
Fr - Sa

Island View Endurance Run

Trail Run 12 km 25 km ... 100 km 100 mi
Dec
4
Fr

Blood Rock 100

Trail Run 17 mi 31 mi ... 51 mi 102 mi
Dec
4
Fr

The Sawmill Gauntlet

Trail Run 3 mi 12 hr
Dec
4-5
Fr - Sa

Shakori 40 Running Festival

Trail Run 4 mi 40 km 40 mi
Dec
4-6
Fr - Su

Frozen Chosin Challenge

Trail Run
Dec
5
Sa

Death Valley Trail Marathon

Trail Run 13 mi 26 mi
Dec
5
Sa

Fort Yargo State Park

Trail Run 3 mi 9 mi
Dec
5
Sa

TARC Winter Classic

Trail Run 8 mi 32 mi 40 mi
Dec
5
Sa

Sawmill Trail Runs

Trail Run 8 mi 16 mi 50 km
Dec
5
Sa

Tower Tag Challenge

Trail Run 3 mi
Dec
5-6
Sa - Su

Bigfoot 50K - Lore City, OH

Trail Run 10 mi 20 mi 50 km
Dec
5
Sa

Utah Santa Run - Gardner Village

Trail Run 5 km 10 km Half Marathon
Dec
5
Sa

Storm The Bluffs

Trail Run 5 km 15 km
Dec
5
Sa

San Joaquin River Trail

Trail Run 10 km 25 km 50 km
Dec
5
Sa

Mosaic Trail Race

Trail Run 5 km 10 km ... 26 mi 50 km
Dec
5
Sa

The Triple C at Woolly Hollow

Trail Run 4 mi 10 mi
Dec
5
Sa

Sycamore 8

Trail Run 8 mi
Dec
5
Sa

Naturally Outdoors Endurance Race

Trail Run 2 hr 4 hr
Dec
5
Sa

Caloosa Fest

Trail Run 5 km 13 mi
Dec
5
Sa

Anza Borrego Cuyamaca 50 Mile Run

Trail Run 50 mi