Race Calendar in Idaho, United States

Oct

11

City of Trees Marathon

Boise, Idaho, United States

$60.00 - $125.00

Running

Marathon Half-Marathon 10K 5K

Oct

17

Greek 5K

Boise, Idaho, United States

$29.00

Running

5K

Oct

17

WIINing Warriors Flock Walk

Boise, Idaho, United States

Free

Walking Running

WIINing Warriors Flock Walk 2026 WIINing Warriors Flock Walk - Virtual 2026

Oct

17

Naples CX

Naples, Idaho, United States

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

Oct

17

Idaho Running Day

Boise, Idaho, United States

$55.00 - $125.00

Running

Marathon Half-Marathon 10K 5K

Oct

18

Sled Hill CX

Sandpoint, Idaho, United States

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

Oct

24

YMCA Halloween Freaky 5K and Monster Mile

Boise, Idaho, United States

$35.00 - $40.00

Running

5K 1.6K

Oct

24

The Ada County Victim Services Center 5,000-Mile Challenge, by F3 Boise

Boise, Idaho, United States

$30.00

Running

Ultra

Oct

24

Haunted Half Marathon and 5k by Run the Undergrad

Rexburg, Idaho, United States

$10.00 - $60.00

Running

5K Half-Marathon

Oct

24

Trick or Trot

Boise, Idaho, United States

$25.00

Running

5K 1K

Oct

31

After Dark Dash 5k

Kellogg, Idaho, United States

Free

Running

5K

Nov

07

The CapEd Downtown Boise YMCA Grand Opening Walk

Boise, Idaho, United States

$20.00

Running

1.6K