Race Calendar in Idaho, United States

River & Rails Donkey Dash

Cambridge, Idaho, United States

Oct 10, 2026 (Sat)

$65.00

Running

4.8K 9.7K 14.5K +2

City of Trees Marathon

Boise, Idaho, United States

Oct 11, 2026 (Sun)

$55.00 - $95.00

Running

Marathon Half-Marathon 10K 5K

Idaho Running Day

Boise, Idaho, United States

Oct 17, 2026 (Sat)

$45.00 - $90.00

Running

Marathon Half-Marathon 10K 5K

Naples CX

Naples, Idaho, United States

Oct 17, 2026 (Sat)

Free - $25.00

Cycling

Kids Age 9 and Under (one lap) Junior Girls Age 10-12 (30 Minutes) Junior Boys Age 10-12 (30 Minutes) Junior Girls Age 13-14 (30 Minutes) +17

Sled Hill CX

Sandpoint, Idaho, United States

Oct 18, 2026 (Sun)

Free - $25.00

Cycling

Kids Age 9 and Under (one lap) Junior Girls Age 10-12 (30 Minutes) Junior Boys Age 10-12 (30 Minutes) Junior Girls Age 13-14 (30 Minutes) +17

YMCA Halloween Freaky 5K and Monster Mile

Boise, Idaho, United States

Oct 24, 2026 (Sat)

$30.00 - $35.00

Running

5K 1.6K

Haunted Half Marathon and 5k by Run the Undergrad

Rexburg, Idaho, United States

Oct 24, 2026 (Sat)

$10.00 - $60.00

Running

5K Half-Marathon

The CapEd Downtown Boise YMCA Grand Opening Walk

Boise, Idaho, United States

Nov 7, 2026 (Sat)

$15.00

Running

1.6K

Harvest Hustle

Nampa, Idaho, United States

Nov 8, 2026 (Sun)

$15.00 - $20.00

Running

5K 1.6K

Boise Half Marathon

Boise, Idaho, United States

Nov 14, 2026 (Sat)

$65.00

Running

Half-Marathon

Boise Turkey Day 5K Run/Walk

Boise, Idaho, United States

Nov 26, 2026 (Thu)

$18.00 - $40.00

Running

5K

Turkey Day 5K Run/Walk - Caldwell

Caldwell, Idaho, United States

Nov 26, 2026 (Thu)

$18.00 - $40.00

Running

5K