Half-Marathon races in United States — 2026 trail running calendar

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

20

Up Around The Bend Trail Run

Bend, Texas, United States

Free - $140.00

Trail running

Ultra Marathon Half-Marathon 10K +1

Mar

06

Crazy Desert Trail Race

San Angelo, Texas, United States

$35.00 - $70.00

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

22nd Annual Run Through Time Trail Marathon and Half Marathon

Salida, Colorado, United States

Trail running Running

Marathon Half-Marathon 3.2K

Mar

13

Muddy Shamrock @ The Forge

Lemont, Illinois, United States

$50.00 - $65.00

Trail running

Half-Marathon 10.5K

Mar

13

#Runmarana Tortolita Traverse Trail Half-Marathon and 7 Miler (~7.7)

Marana, Arizona, United States

$35.00

Trail running

Half-Marathon 12.3K

Mar

13

Zoom San Francisco

San Francisco, California, United States

Free - $70.00

Trail running Running

5K 10K Half-Marathon 3.2K +4

Mar

20

Redwood (Spring) Trail Run

Oakland, California, United States

Free - $90.00

Trail running Running

8K Half-Marathon 29.5K Marathon +5

Mar

20

VALENCIA Trail Race

Valencia, California, United States

$87.00 - $167.00

Trail running

Ultra Half-Marathon 10K

Mar

28

AdventHealth Silver Springs Half Marathon, 10K & 5K

Silver Springs, Florida, United States

$39.00 - $89.00

Trail running Running

Half-Marathon 5K 10K