5K races in United States — 2026 trail running calendar

Oct

04

SANDIA MOUNTAIN SHADOWS TRAIL RUN

Albuquerque, New Mexico, United States

$20.00 - $40.00

Trail running

10K 5K

Oct

04

Norfolk Land Trust Trail Race Series/Haystack Mountain Challenge

Norfolk, Connecticut, United States

$25.00 - $35.00

Trail running

5K 10K Half-Marathon

Oct

04

McKaig 5K Trail Race

Wayne, Pennsylvania, United States

Free - $40.00

Trail running Walking Running

5K 1.6K Kids Race (Free) Chili Cook-Off

Oct

04

Rubey Rescue Run

Aspen, Colorado, United States

$60.38

Trail running

5K

Oct

04

Blackhawk Blaze

Meriden, New Hampshire, United States

$10.00 - $25.00

Trail running Running

5K 1.6K

Oct

04

Trailfest | Fleet Feet Springfield

Highlandville, Missouri, United States

$45.00 - $65.00

Trail running

5K 10K Half-Marathon

Oct

09

West Virginia Trilogy

Circleville, West Virginia, United States

$45.00 - $265.00

Trail running Running

Ultra Half-Marathon 5K +1

Oct

10

2nd Annual Shauna Smith Heroes 5K Trail Run / 2K Trail Walk

Holland, Michigan, United States

$35.00

Trail running

5K

Oct

10

Love Never Ends Trail Run

Atoka, Oklahoma, United States

$65.00 - $175.00

Trail running

Ultra 5K +4

Oct

10

The Mammoth 2026 - 100K / 50K / 25K / 10K / 5K and Mighty Mammoth 1K Fun Run

Glen Rose, Texas, United States

Free - $175.00

Trail running Running

Ultra 25K 10K 5K +3

Oct

10

Oklahoma City Trail Running Festival

Oklahoma City, Oklahoma, United States

$55.00 - $135.00

Trail running Running

4.8K 14.5K 33.8K 49.9K +1

Oct

10

Trailway Trail Race

Somerville, Texas, United States

$12.00 - $120.00

Trail running

Ultra Marathon Half-Marathon 10K +4