10K races in United States — 2026 trail running calendar

Aug

21

Scorchin' Squirrel Trail Run (10k, 11m, 15m, 20m)

Little Rock, Arkansas, United States

$35.00

Trail running

10K

Aug

22

Thunder Chicken Squatch Trail Jamboree

Branchville, New Jersey, United States

Free - $70.00

Trail running

5K 10K 27.4K Hardship Entry

Sep

03

DeBary 50K, Marathon, Half, 10K & 5K – MileBuilt Gemini Springs Labor Day 4-Day Challenge

DeBary, Florida, United States

$35.00 - $85.00

Trail running Running

Ultra Marathon Half-Marathon 10K +16

Sep

11

Rock 'N The Knob Trail Challenge – PA’s Highest Trail Race

Claysburg, Pennsylvania, United States

$40.00 - $65.00

Trail running

Ultra Half-Marathon 10K

Sep

11

Odyssey Trail Running Rampage

Millboro, Virginia, United States

$50.00 - $95.00

Trail running

Ultra Marathon Half-Marathon 9.7K

Sep

18

Wild Goose Trail Festival

Hewitt, New Jersey, United States

Free - $255.00

Trail running

Ultra 36H Hardship Entry 1.6K +6

Sep

18

Dirty Spokes Road Atlanta Trail Run

Braselton, Georgia, United States

$40.00 - $45.00

Trail running

9.7K 5.1K

Sep

18

Best of the West

Ravenna, Ohio, United States

$45.00 - $85.00

Trail running

Marathon Half-Marathon 10K

Sep

26

Timberline Trail Run

Bozeman, Montana, United States

$5.00 - $50.00

Trail running

20K 10K 5K 1K

Oct

16

Lake Hodges Trail Festival

San Diego, California, United States

$15.00 - $110.00

Trail running Running Duathlon

50K 25.1K 15K 10.3K +7

Oct

16

Heart of Cool Trail Run

Cool, California, United States

$30.00 - $55.00

Trail running

5K 10K Half-Marathon

Oct

17

Big Bear SquaTCh South

Tuxedo, New York, United States

Free - $65.00

Trail running

10K Half-Marathon Hardship Entry