Race Calendar in Idaho, United States

10th Annual Meridian, ID Ostomy 5k

Meridian, Idaho, United States

04 Oct, 2026 (Sun)

$30.00

Running

5K

Hayden Lake Marathon

Hayden Lake, Idaho, United States

10 Oct, 2026 (Sat)

Free - $125.00

Running

Marathon Half-Marathon 10.5K 5K +2

Blackfoot Tater Trot

Blackfoot, Idaho, United States

10 Oct, 2026 (Sat)

$40.00

Running, Walking

10K 5K

Rush Creek Stampede

Cambridge, Idaho, United States

10 Oct, 2026 (Sat)

$40.00 - $55.00

Running

Half-Marathon 5K 10K

River & Rails Donkey Dash

Cambridge, Idaho, United States

10 Oct, 2026 (Sat)

$65.00

Running

4.8K 9.7K 14.5K +2

City of Trees Marathon

Boise, Idaho, United States

11 Oct, 2026 (Sun)

$45.00 - $75.00

Running

Marathon Half-Marathon 10K 5K

Idaho Running Day

Boise, Idaho, United States

17 Oct, 2026 (Sat)

$40.00 - $80.00

Running

Marathon Half-Marathon 10K 5K

YMCA Halloween Freaky 5K and Monster Mile

Boise, Idaho, United States

24 Oct, 2026 (Sat)

$30.00 - $35.00

Running

5K 1.6K

Haunted Half Marathon and 5k by Run the Undergrad

Rexburg, Idaho, United States

24 Oct, 2026 (Sat)

$10.00 - $60.00

Running

5K Half-Marathon

The CapEd Downtown Boise YMCA Grand Opening Walk

Boise, Idaho, United States

07 Nov, 2026 (Sat)

$15.00

Running

1.6K

Boise Half Marathon

Boise, Idaho, United States

14 Nov, 2026 (Sat)

$60.00

Running

Half-Marathon

Turkey Day 5K Run/Walk - Caldwell

Caldwell, Idaho, United States

26 Nov, 2026 (Thu)

$18.00 - $40.00

Running

5K