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Idaho Half Marathon Calendar 2026-2027

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Explore the best half marathons in Idaho for 2026-2027! Our updated list features 24 exciting races across the region. Find your next race in Idaho below and join the running community at these great events!

November 2026
Nov
14
Sa

Boise Half Marathon

13 mi
April 2027
Apr
17
Sa

Race to Robie Creek

13 mi
Apr
24
Sa

Spring Dash

5 km 10 km 13 mi
May 2027
May
2
Su

Boise River Marathon

3 mi 6 mi 13 mi 26 mi
May
8
Sa

Over The Top Trail Race - Pocatello, ID

Trail Run 5 km 10 km Half Marathon 30 km
Monthly updates for Idaho

Get new running races (and updates) in your inbox every month.
May
8
Sa

Long Bridge Half-Marathon

5 km 10 km 13 mi
May
15
Sa

YMCA Famous Idaho Potato Marathon

5 km 10 km 13 mi 26 mi
May
29
Sa

Redfish Lake Lodge Memorial Weekend Run

5 km 10 km 13 mi
May
29-30
Sa - Su

CDA Marathon

5 km 10 km 13 mi 26 mi
June 2027
Jun
4-5
Fr - Sa

Sandpoint Marathon

Road Race Trail Run 5 km 10 km 13 mi 26 mi
Jun
5
Sa

Teton Dam Marathon

5 km 10 km Half Marathon Marathon
Jun
19-20
Sa - Su

Race The Wolf

Trail Run 5 mi Half Marathon Marathon
Jun
20
Su

Boise Marathon

3 mi 6 mi 13 mi 26 mi
July 2027
Jul
17
Sa

Mesa Falls Marathon

5 km 10 km 13 mi 26 mi
Jul
24
Sa

Idaho Falls Marathon

5 km 13 mi 26 mi
August 2027
Aug
7-8
Sa - Su

Boise Spartan Trifecta Weekend

Obstacle Run 5 km 10 km Half Marathon
Aug
15
Su

Conquer the Peaks of Silver Mountain Trail Run

Trail Run 5 km 13 km 13 mi
Aug
22
Su

Popsicle Half - Boise

5 km 10 km 13 mi
September 2027
Sep
4
Sa

Salmon Marathon

13 mi 26 mi
Sep
4
Sa

Pocatello Marathon

5 km 10 km 13 mi 26 mi
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