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

Apr

24

Pandora's Box of Rox

Burnet, Texas, United States

$10.00 - $138.00

Trail running

Ultra Marathon Half-Marathon 12.9K +2

Apr

24

SPASM Lake Chabot Trail Run

Castro Valley, California, United States

Free - $90.00

Trail running Running

8K Half-Marathon 28.8K Marathon +2

Apr

25

Run With The Squirrels

Martinsville, Indiana, United States

$20.00 - $50.00

Trail running

Half-Marathon 16.1K 10K 5K

May

01

The Bluffs Trail Runs

Eminence, Missouri, United States

$15.00 - $115.00

Running Trail running

Marathon Half-Marathon 15K 10K +4

May

01

Run Happy 50K (and other happy distances)

South Bend, Indiana, United States

$40.00 - $55.00

Trail running

10K Half-Marathon Marathon Ultra

May

01

Knock On Wood Trail Run/Hike - 13.1 & 10k

Marietta, South Carolina, United States

$35.00 - $40.00

Trail running

Half-Marathon 10K

May

02

2 Parks Trail Half Marathon And 5K

Leonard, Michigan, United States

$30.00 - $50.00

Trail running Running

Half-Marathon 5K

May

08

Race4Warriors 5K, 10K & Half Marathon Challenges!

Lewes, Delaware, United States

$30.00 - $65.00

Running Walking Trail running

5K 10K Half-Marathon +5

May

08

Grizzly Peak Trail Run

Berkeley, California, United States

Free - $90.00

Trail running Running

10K Half-Marathon 30K Marathon +3

May

15

Vermejo Charcoal Burner

Raton, New Mexico, United States

$90.00 - $110.00

Gravel biking Trail running

Ultra Half-Marathon +1

May

15

Pechanga Trail Run

Spicewood, Texas, United States

$10.00 - $130.00

Running Trail running

Ultra Marathon Half-Marathon 10K +2

Jun

04

Rabid Raccoon 100

Beaver Falls, Pennsylvania, United States

$15.00 - $250.00

Running Trail running

5K 47.2K Ultra Half-Marathon +5