Trail running Race Calendar in United States

Flagstaff Marathon Presented by Cambium Wealth and Legacy Strategies

Flagstaff, Arizona, United States

Oct 3, 2026 (Sat)

Free - $120.00

Trail running, Running

Marathon Half-Marathon 10K 1K

Survival of the F.I.T.test - 34 Hour Trail Ultra

Cumberland, Rhode Island, United States

Oct 3, 2026 (Sat) – Oct 4, 2026

$10.00 - $450.00

Trail running

Ultra Individual Entry 34 Hours 2 Person Team 34 Hours 3 Person Team 34 Hours +3

Fall into Fall Trail 5k Run/Walk

Janesville, Wisconsin, United States

Oct 3, 2026 (Sat)

$20.00

Trail running, Walking

5K 3.9K

North Bend Trail Fest 30k - 10k

North Bend, Washington, United States

Oct 3, 2026 (Sat) – Oct 4, 2026

Trail running

5K North Bend Double 30K 10K +2

Iron Hike - Fall Answer the Bell Ultra Trail Marathon - Basic (Backyard Ultra Format) - 28+ Miles | 14,400'+ Elevation | 24-Hour | Run, Hike or Walk

Cornwall, Connecticut, United States

Oct 3, 2026 (Sat) – Oct 4, 2026

Free

Trail running

Ultra

Outlast Denver

Littleton, Colorado, United States

Oct 3, 2026 (Sat)

$100.00

Trail running

29K

Autumn Leaf Run

Freeport, Illinois, United States

Oct 3, 2026 (Sat)

$25.00

Trail running

5K

McKaig 5K Trail Race

Wayne, Pennsylvania, United States

Oct 4, 2026 (Sun)

Free - $35.00

Trail running, Walking, Running

5K 1.6K Kids Race (Free) Chili Cook-Off

4 in the Forest Presented by Peace, Love, Trails

Irvington, New York, United States

Oct 4, 2026 (Sun)

$40.00

Trail running

6.4K

SANDIA MOUNTAIN SHADOWS TRAIL RUN

Albuquerque, New Mexico, United States

Oct 4, 2026 (Sun)

$20.00 - $40.00

Trail running

10K 5K

Trailfest | Fleet Feet Springfield

Highlandville, Missouri, United States

Oct 4, 2026 (Sun)

$45.00 - $65.00

Trail running

5K 10K Half-Marathon

Great Swamp Conservancy 5k Trail Run

Canastota, New York, United States

Oct 4, 2026 (Sun)

$20.00

Trail running

5K