10K 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

01

The Bluffs Trail Runs

Eminence, Missouri, United States

$15.00 - $115.00

Running Trail running

Marathon Half-Marathon 15K 10K +4

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

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

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

The Bear Crawl Ocr

Morganton, North Carolina, United States

$20.00 - $65.00

Obstacle race

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

May

15

Stomp Out Suicide Trail Race

Dade City, Florida, United States

$10.00 - $35.00

Trail running

10K 5K 1.6K

May

22

Samson's Revenge

Estes Park, Colorado, United States

$112.00 - $160.00

Trail running

10.5K 25K Ultra

May

29

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

Glen Rose, Texas, United States

Free - $225.00

Trail running

5K 10K 25K Ultra +10

Jun

05

Squatch the Hook

Valley Cottage, New York, United States

Free - $45.00

Trail running Running Wheelchair

10K 5K Hardship Entry