10K races in United States — 2026 trail running calendar

Oct

10

Queen City Trail Run

Weslaco, Texas, United States

$10.00 - $60.00

Trail running Running

16.1K 10K 5K 1.6K +1

Oct

10

Rock It in Chino Hills 5K & 10K

Brea, California, United States

$60.00 - $70.00

Trail running

5K 10K

Oct

10

Soulstice Mountain Trail Run

Parks, Arizona, United States

$10.00 - $80.00

Trail running

30K 18K 9.7K 17.7K +2

Oct

10

Unity Beach Swim - Aquathlon & Run Training Races (Oct )

Saint Petersburg, Florida, United States

$30.00 - $155.00

Trail running Running Swimming

5K 2.5K 1K 10K +10

Oct

11

Bizz Johnson

Susanville, California, United States

$75.00 - $110.00

Running

Ultra Half-Marathon 10K

Oct

11

Unity Beach Swim - Aquathlon & Run Training Races (October)

Saint Petersburg, Florida, United States

$30.00 - $75.00

Trail running Running Swimming

5K 2.5K 1K 10K +7

Oct

17

Lake Hodges Trail Festival

San Diego, California, United States

$15.00 - $145.00

Trail running Running Duathlon

50K 25.1K 15K 10.3K +7

Oct

17

SPACEROCK Trail Race

Agua Dulce, California, United States

$85.00 - $175.00

Trail running

22.4K 14.3K 10K 5K

Oct

17

Galveston Ultra Trail

Galveston, Texas, United States

Free - $110.00

Trail running Running Walking

Ultra Half-Marathon 10K 5K +4

Oct

17

Inks Lake Trail Run/Ruck

Burnet, Texas, United States

$10.00 - $130.00

Trail running

Ultra Marathon Half-Marathon 10K +2

Oct

17

Heart of Cool Trail Run

Cool, California, United States

$40.00 - $70.00

Trail running

5K 10K Half-Marathon

Oct

17

Tackle the Trail (TM)

Northeast, Connecticut, United States

$75.00 - $250.00

Trail running

Marathon Half-Marathon 10K