Half-Marathon races in Idaho, United States — 2026 running calendar

Aug

22

Eternal Surrender 5K, 10K and Half Marathon

Coeur d'Alene, Idaho, United States

$25.00

Running

5K 10K Half-Marathon

Aug

23

Popsicle 5K/10K/Half - Boise

Boise, Idaho, United States

$35.00 - $60.00

Running

5K 10K Half-Marathon +5

Sep

12

Malad Valley Marathon

Malad City, Idaho, United States

$20.00 - $80.00

Running

Marathon Half-Marathon 10K 5K +1

Sep

19

Priest Lake Marathon

Priest Lake, Idaho, United States

$50.00 - $90.00

Running

Ultra Marathon Half-Marathon 10K

Sep

26

St. Luke's FitOne 5K/10K/Half Marathon

Boise, Idaho, United States

$35.00 - $55.00

Running

5K 10K Half-Marathon

Oct

10

Hayden Lake Marathon

Hayden Lake, Idaho, United States

Free - $125.00

Running

Marathon Half-Marathon 10.5K 5K +2

Oct

10

Rush Creek Stampede

Cambridge, Idaho, United States

$40.00 - $55.00

Running

Half-Marathon 5K 10K

Oct

11

City of Trees Marathon

Boise, Idaho, United States

$55.00 - $95.00

Running

Marathon Half-Marathon 10K 5K

Oct

17

Idaho Running Day

Boise, Idaho, United States

$45.00 - $90.00

Running

Marathon Half-Marathon 10K 5K

Nov

14

Boise Half Marathon

Boise, Idaho, United States

$65.00

Running

Half-Marathon

Apr

17

Race to Robie Creek®

Boise, Idaho, United States

$75.00

Running

Half-Marathon

Apr

24

Spring Dash

Coeur d'Alene, Idaho, United States

Free - $75.00

Running

Half-Marathon 10K 5K Tot Trot +1