5K races in United States — 2026 trail running calendar

May

01

Sasquatch Shuffle

Grapeland, Texas, United States

Free

Trail running

Ultra 25K 10K 5K +1

May

02

Spring Stampede 5K/10K

Hanna City, Illinois, United States

Free - $35.00

Trail running Running

5K 10K Spring Stampede Volunteer for Packet Pick Up Spring Stampede Volunteer for Course Intersection Monitor +1

May

02

Adventure Triathlon at The Manor #

Mays Landing, New Jersey, United States

$35.00 - $130.00

Adventure race Duathlon Aquabike Triathlon Running Mountain biking

Half-Marathon 16.1K 5K 29K +2

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

Camp Hebron Trail Run

Halifax, Pennsylvania, United States

$35.00

Trail running

5K

May

08

Mother's Day 10K

Lake Placid, New York, United States

$35.00 - $50.00

Trail running

5K 10K

May

08

Trail To Recovery 5K & 1 Mile Run/Walk

Norman, Oklahoma, United States

$15.00 - $30.00

Trail running Running

5K 1.6K

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

ChesLen Chase

Coatesville, Pennsylvania, United States

$20.00 - $35.00

Trail running Running

5K 3.2K

May

15

Pechanga Trail Run

Spicewood, Texas, United States

$10.00 - $130.00

Running Trail running

Ultra Marathon Half-Marathon 10K +2

May

15

Stomp Out Suicide Trail Race

Dade City, Florida, United States

$10.00 - $35.00

Trail running

10K 5K 1.6K

May

15

The Bear Crawl Ocr

Morganton, North Carolina, United States

$20.00 - $70.00

Obstacle race

9.7K 4.8K Three Mile Open 9:00 am Start Three Mile Open 9:15 am Start +7