Half-Marathon races in Idaho, United States — 2026 running calendar
30 events found
Jul
11
Christmas 5K/10K/Half Marathon in July - Boise
Boise, Idaho, United States
Running
5K
10K
Half-Marathon
+2
Jun
20
Boise Marathon
Boise, Idaho, United States
Running
Marathon
Half-Marathon
10K
5K
Jun
06
Spirit of Magic Valley Half Marathon - 10K - 5K - Kids 1 Mile
Twin Falls, Idaho, United States
Running
Half-Marathon
10K
5K
Jun
05
Run Bear Lake - Idaho
Paris, Idaho, United States
Running
Marathon
Half-Marathon
May
23
Redfish Lake Lodge Memorial Weekend Run
Stanley, Idaho, United States
Running
1.6K
5K
10K
Half-Marathon
Feb
01
Race Through Idaho 1M, 5K, 10K, 13.1, 26.2 - Now Only $20!
Boise, Idaho, United States
$20.00
Running
1.6K
5K
10K
Half-Marathon
+1
Christmas 5K/10K/Half Marathon in July - Boise
Boise, Idaho, United States
Jul 11, 2026 (Sat)
Running
5K
10K
Half-Marathon
+2
Boise Marathon
Boise, Idaho, United States
Jun 20, 2026 (Sat)
Running
Marathon
Half-Marathon
10K
5K
Spirit of Magic Valley Half Marathon - 10K - 5K - Kids 1 Mile
Twin Falls, Idaho, United States
Jun 6, 2026 (Sat)
Running
Half-Marathon
10K
5K
Run Bear Lake - Idaho
Paris, Idaho, United States
Jun 5, 2026 (Fri)
Running
Marathon
Half-Marathon
Redfish Lake Lodge Memorial Weekend Run
Stanley, Idaho, United States
May 23, 2026 (Sat)
Running
1.6K
5K
10K
Half-Marathon
Race Through Idaho 1M, 5K, 10K, 13.1, 26.2 - Now Only $20!
Boise, Idaho, United States
Feb 1, 2026 (Sun)
– Dec 31, 2026
$20.00
Running
1.6K
5K
10K
Half-Marathon
+1