10K races in United States — 2026 trail running calendar

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

Up Around The Bend Trail Run

Bend, Texas, United States

Free - $140.00

Trail running

Ultra Marathon Half-Marathon 10K +1

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

MileBuilt 2-Day Bridge Challenge

Winter Park, Florida, United States

$35.00 - $85.00

Trail running Running

Ultra Marathon Half-Marathon 10K +6

Feb

21

Sasquatch

Venice, Florida, United States

$25.00 - $50.00

Trail running Running

15K 10K 5K 9.7K

Feb

27

Space City Ultra

Sugar Land, Texas, United States

Free

Trail running

Ultra 25K 10K 5K

Mar

06

Dirty Spokes Charleston Park Trail Run

Cumming, Georgia, United States

$40.00 - $45.00

Trail running

10K 6.9K

Mar

06

Crazy Desert Trail Race

San Angelo, Texas, United States

$35.00 - $80.00

Trail running

Ultra Marathon 25K Half-Marathon +3

Mar

06

Great Springs Trail Race - Austin

Del Valle, Texas, United States

$10.00 - $117.00

Trail running

Ultra Marathon Half-Marathon 10K +2

Mar

13

Zoom San Francisco

San Francisco, California, United States

Free - $70.00

Trail running Running

5K 10K Half-Marathon 3.2K +4

Mar

13

Muddy Shamrock @ The Forge

Lemont, Illinois, United States

$60.00 - $70.00

Trail running

Half-Marathon 10.5K