Trail running Race Calendar in United States

Mammoth Bar Trail Runs

Auburn, California, United States

Sep 6, 2026 (Sun)

Trail running

Half-Marathon 10K

Diablo Trail Run

Clayton, California, United States

Sep 6, 2026 (Sun)

Free - $90.00

Trail running, Running

6.4K 16.1K Half-Marathon Marathon +2

FXBG Trail 10 Miler

Fredericksburg, Virginia, United States

Sep 6, 2026 (Sun)

$10.00

Trail running

16.1K

Manitou Trail Labor Day 5K

Roscommon, Michigan, United States

Sep 7, 2026 (Mon)

$10.00 - $30.00

Trail running

5K 1.6K

Old Forge Marathon Weekend - Ultra, Marathon, Half Marathon, 10K, 5K, Kayak, Bike

Old Forge, New York, United States

Sep 10, 2026 (Thu) – Sep 13, 2026

$40.00 - $275.00

Running, Triathlon, Paddle sports, Trail running, Gravel biking

Ultra 5K 31.1K Half-Marathon +20

Lake Superior Shore Run

Marquette, Michigan, United States

Sep 11, 2026 (Fri) – Sep 12, 2026

Free - $80.00

Running, Trail running, Walking

1.6K Half-Marathon 5K 8K

Hobo Trail Runs 10k-25k-50k

Rockford, Illinois, United States

Sep 11, 2026 (Fri) – Sep 13, 2026

$35.00 - $140.00

Trail running

Ultra 10K 25K +6

The Rut Mountain Runs

Big Sky, Montana, United States

Sep 11, 2026 (Fri) – Sep 13, 2026

Free

Trail running, Running

Ultra Half-Marathon 4K 28.6K +4

The Honey Badger Half (& 10K/5K)

Santa Venetia, California, United States

Sep 11, 2026 (Fri) – Sep 14, 2026

$45.00 - $95.00

Running, Trail running

5K 10K Half-Marathon +2

MAMELE MOUNTAINS

Midway, Utah, United States

Sep 11, 2026 (Fri) – Sep 12, 2026

$115.00 - $185.00

Trail running

12.9K

Smith Mountain Lake Ultra Triathlon

Huddleston, Virginia, United States

Sep 11, 2026 (Fri) – Sep 12, 2026

$349.00 - $449.00

Triathlon, Aquabike, Duathlon, Trail running

Ultra +5

Odyssey Trail Running Rampage

Millboro, Virginia, United States

Sep 12, 2026 (Sat)

$75.00 - $115.00

Trail running

Ultra Marathon Half-Marathon 9.7K