Race Discovery

Marathon races in Idaho, United States — 2026 running calendar

13 events found

Malad Valley Marathon
Sep
12

Malad Valley Marathon

Malad City, Idaho, United States
$20.00 - $80.00
Running
Marathon Half-Marathon 10K 5K +1
Priest Lake Marathon logo
Sep
19

Priest Lake Marathon

Priest Lake, Idaho, United States
$50.00 - $90.00
Running
Ultra Marathon Half-Marathon 10K
Hayden Lake Marathon logo
Oct
10

Hayden Lake Marathon

Hayden Lake, Idaho, United States
Free - $125.00
Running
Marathon Half-Marathon 10.5K 5K +2
City of Trees Marathon logo
Oct
11

City of Trees Marathon

Boise, Idaho, United States
$55.00 - $95.00
Running
Marathon Half-Marathon 10K 5K
Idaho Running Day logo
Oct
17

Idaho Running Day

Boise, Idaho, United States
$45.00 - $90.00
Running
Marathon Half-Marathon 10K 5K
Mesa Falls Marathon logo
Jul
18

Mesa Falls Marathon

Ashton, Idaho, United States
Running
Marathon Half-Marathon 10K 5K +1
Boise Marathon logo
Jun
20

Boise Marathon

Boise, Idaho, United States
Running
Marathon Half-Marathon 10K 5K
Race the Wolf logo
Jun
20

Race the Wolf

Sandpoint, Idaho, United States
Trail running Running
8K 1.6K Marathon Half-Marathon
Run Bear Lake - Idaho
Jun
05

Run Bear Lake - Idaho

Paris, Idaho, United States
Running
Marathon Half-Marathon
CDA Marathon logo
May
23

CDA Marathon

Coeur d'Alene, Idaho, United States
Running
1.6K Marathon Half-Marathon 10K +3
YMCA Famous Idaho Potato Marathon & Fun Runs logo
May
16

YMCA Famous Idaho Potato Marathon & Fun Runs

Boise, Idaho, United States
Running
Marathon Half-Marathon 10K 5K
Boise River Marathon logo
May
02

Boise River Marathon

Eagle, Idaho, United States
Running
Marathon Half-Marathon 10K 5K