10K races in United States — 2026 trail running calendar

Mar

13

Catalina Island Marathon, 10K, 5K

Avalon, California, United States

$25.00 - $396.00

Trail running Running

Marathon 10K 5K 1K +1

Mar

13

Muddy Shamrock @ The Forge

Lemont, Illinois, United States

$60.00 - $70.00

Trail running

Half-Marathon 10.5K

Mar

14

Fox Valley Winter Challenge Trail Series 10K

Saint Charles, Illinois, United States

$45.00

Trail running

10K

Mar

20

The Maze

Austin, Texas, United States

$69.00 - $89.00

Trail running

10K 20K 29.9K

Mar

20

VALENCIA Trail Race

Valencia, California, United States

$107.00 - $187.00

Trail running

Ultra Half-Marathon 10K

Mar

20

Resurgence Trail Run

Harlingen, Texas, United States

$10.00 - $90.00

Trail running

5K 10K 25K Ultra +1

Mar

20

Texas Canyon Trail Run

Dragoon, Arizona, United States

Free - $40.00

Trail running Running

10K 5K +1

Mar

20

Pollinator Dash

King George, Virginia, United States

$35.00 - $45.00

Trail running

5K 10K

Mar

20

Hippo Trail Fest

Hutto, Texas, United States

$10.00 - $117.00

Trail running Running Obstacle race

Ultra 32.2K 16.1K 10K +5

Mar

20

Flirt with Dirt

Brecksville, Ohio, United States

$40.00 - $70.00

Trail running

10K Half-Marathon

Mar

27

Ricochet's Riot

Killeen, Texas, United States

$10.00 - $120.00

Trail running Running

Ultra 25K 10K 1.6K +3

Mar

27

Southern Chicken Fried

Louisville, Georgia, United States

Free

Trail running

Ultra 25K 10K