10K races in United States — 2026 trail running calendar

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

May

15

Don's Backyard Bbq Trail Run

Winder, Georgia, United States

$45.00 - $65.00

Trail running

20K 10K

May

15

Pechanga Trail Run

Spicewood, Texas, United States

$10.00 - $130.00

Running Trail running

Ultra Marathon Half-Marathon 10K +2

May

15

Firehouse Chili 5K Presented by Morristown Professional Firefighters Foundation

Morris Plains, New Jersey, United States

Trail running

5K 10K

May

15

Walk The Line - 24 hours for our First Responders

Seven Springs, North Carolina, United States

$46.00 - $450.00

Trail running Running

Ultra 25K 10K Vendor +2

May

22

Samson's Revenge

Estes Park, Colorado, United States

$112.00 - $160.00

Trail running

10.5K 25K Ultra

May

22

Farish Trail Race

Woodland Park, Colorado, United States

Free - $65.00

Trail running

Half-Marathon 10K 5K 1.6K

May

29

High Hope Endurance Run - 200K - 100K - 50K - 25K - 10K - 5K

Glen Rose, Texas, United States

Free - $235.00

Trail running

5K 10K 25K Ultra +10

May

29

MileBuilt 3-Day Memorial Day Bridge Challenge

Winter Park, Florida, United States

$35.00 - $85.00

Trail running Running

Ultra Marathon Half-Marathon 10K +11

May

29

Fools

Peninsula, Ohio, United States

$40.00 - $85.00

Trail running

Ultra Marathon Half-Marathon 10K

Jun

05

Squatch the Hook

Valley Cottage, New York, United States

Free - $45.00

Trail running Running Wheelchair

10K 5K Hardship Entry