10K races in United States — 2026 trail running calendar

Jan

23

Alamo City Ultra

San Antonio, Texas, United States

Free

Trail running

Ultra 25K 10K 5K

Jan

30

Rose Rock Trail Run

Oklahoma City, Oklahoma, United States

$40.00 - $70.00

Trail running Running

5K 10K 25K Virtual Trail Run

Jan

31

Sandia Resort & Casino 2026 Run to Break the Silence

Albuquerque, New Mexico, United States

$20.00 - $55.00

Running Trail running Obstacle race

5K 10K 1K

Feb

06

Gopherdillo Trail Run

Bradenton, Florida, United States

$35.00 - $50.00

Trail running

5K 10K

Feb

06

Dalton Canyon Ultra

Glendora, California, United States

$65.00 - $125.00

Trail running

Ultra 10K

Feb

13

Houston Ultra Trail

Houston, Texas, United States

Free - $120.00

Trail running

Ultra 25K 10K 5K +2

Feb

19

The Florida Run @ Manatee Springs State Park

Chiefland, Florida, United States

$48.00 - $106.00

Trail running

Ultra 10K 5K Half-Marathon +1

Feb

20

Dragon Trails 25K - 10k - 5k (Winter Edition)

San Antonio, Texas, United States

$15.00 - $45.00

Trail running

10K 25K 5K

Feb

20

The Stampede

Austin, Texas, United States

$69.00 - $89.00

Trail running

9.8K 19.6K 29.9K

Feb

20

MileBuilt 2-Day Bridge Challenge

Winter Park, Florida, United States

$35.00 - $85.00

Trail running Running

Ultra Marathon Half-Marathon 10K +6

Feb

20

Montara Mountain Trail Run

Pacifica, California, United States

Free - $90.00

Trail running Running

10K Half-Marathon 33.3K Marathon +3

Feb

20

Up Around The Bend Trail Run

Bend, Texas, United States

Free - $140.00

Trail running

Ultra Marathon Half-Marathon 10K +1