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 11390 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

October 2025
Oct
18
Saturday

Tecumseh Trail Challenge

Trail Run 8 mi 13 mi 26 mi 50 km
Oct
18-19
Sa - Su

Gila 100

Trail Run 13 mi 50 mi 100 mi
Oct
18
Saturday

California Gold Rush Trail Run - Fall

Trail Run 5 km 10 km 15 km 13 mi
Oct
18
Saturday

Bohemian Alps Endurance Runs

Trail Run 50 km
Oct
18-19
Sa - Su

Uwharrie 100 Mile Trail Run

Trail Run 100 km 100 mi
Oct
18
Saturday

Man Against Horse 50Mi

Trail Run 13 mi 25 mi 50 mi
Oct
18
Saturday

Palo Duro Trail Run

Trail Run 25 km 50 km 50 mi
Oct
18
Saturday

Tribe Fitness Challenge - Trail

Obstacle Run 2 mi
Oct
18
Saturday

Willow Hills XC

Trail Run 5 km
Oct
18
Saturday

Trick or Trot 5K Trail Run

Trail Run 5 km
Oct
18
Saturday

Run and Creep 5k

5 km
Oct
18
Saturday

Ruff Run California

Obstacle Run 4 km
Oct
18
Saturday

Where's Bigfoot 5K

5 km
Oct
18-19
Sa - Su

Nocturnal 12

Backyard Ultra 12 hr
Oct
18
Saturday

LOZ Oktoberfest 5k

5 km
Oct
18-19
Sa - Su

Suffolk County Marathon

Trail Run 5 km 10 km 13 mi 26 mi
Oct
18
Saturday

Miles for Mary

5 km
Oct
18
Saturday

San Francisco - HFTC

5 km
Oct
18
Saturday

Sancta Clara Monastery Nun Run

5 km
Oct
18
Saturday

Sound Barrier 5k

5 km
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