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 2104 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

December 2025
Dec
6
Saturday

Tower Tag Challenge

Trail Run 3 mi
Dec
6
Saturday

Death Valley Trail Marathon

Trail Run 21 km 42 km
Dec
6
Saturday

Freight Train 100k

Trail Run 13 mi 50 km 100 km
Dec
6-7
Sa - Su

Last Chance Ultra

Trail Run 10 mi 50 km 50 mi 100 mi
Dec
6-7
Sa - Su

Brazos Bend 100

Trail Run 13 mi 26 mi 100 km 100 mi
Dec
6
Saturday

Q50 Races Santa on Trails 5k

Trail Run 5 km
Dec
6-8
Sa - Su

Devil Dog Ultras

Trail Run 50 km 100 km 100 mi
Dec
6
Saturday

Sawmill Trail Runs

Trail Run 8 mi 16 mi 50 km
Dec
6
Saturday

Caloosa Fest Ultra

Trail Run 25 km 50 km
Dec
6
Saturday

Loup Garou Trail Run

Trail Run 20 mi 40 mi 60 mi 100 mi
Dec
6
Saturday

Fort Yargo State Park

Trail Run 3 mi 8 mi
Dec
6-7
Sa - Su

Crooked Creek Ultra Trail Race

Trail Run 13 mi 26 mi 50 mi 100 mi
Dec
6
Saturday

Into The Wild Fremont Canyon

Trail Run 28 km
Dec
7
Sunday

Storm the Castle - Blue River, OR

Trail Run 13 mi
Dec
7
Sunday

Topo Trail Marathon Races

Trail Run 6 mi 13 mi 26 mi
Dec
7
Sunday

Pine Mountain Trail Run

Trail Run 19 mi 40 mi
Dec
7
Sunday

Dirty South Trail Races

Trail Run 10 km 13 mi
Dec
7
Sunday

Hunter S. Thompson Fear & Loathing

Trail Run 50 km 50 mi
Dec
7
Sunday

Fall Backyard Burn @ Fountainhead

Trail Run 5 mi 10 mi
Dec
13
Saturday

Spirit Of Syllamo

Trail Run 35 mi 100 mi
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