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Marathons in Idaho

  1. Races by State
  2. Idaho
  3. Marathon

Browse Marathon races in Idaho, including upcoming races and races up to one year past their event date. Sort by highest rating or number of reviews to elevate the most popular races.

For each Marathon race, you’ll find key details, finisher ratings and reviews, photos, videos, related articles, race-day weather data and a link to register.

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Showing Marathons in Idaho

Famous Idaho Potato Marathon
Boise, ID | May 17, 2025

OVERALL

(14 ratings)

3.6
Coeur d’Alene Marathon (CDA Marathon)
Coeur d'Alene, ID | May 25, 2025

OVERALL

(62 ratings)

4.6
City of Rocks Ultra Marathon
Almo, ID | May 31, 2025

OVERALL

(0 ratings)

0
Bear Lake Marathon Trifecta Idaho
St Charles, ID | Jun 5, 2025

OVERALL

(36 ratings)

4.2
Teton Dam Marathon
Newdale, ID | Jun 7, 2025

OVERALL

(3 ratings)

4.7
Boise Marathon
Boise, ID | Jun 21, 2025

OVERALL

(8 ratings)

2.9
Race the Wolf Ultramarathon & Trail Races
Sandpoint, ID | Jun 21–22, 2025

OVERALL

(0 ratings)

0
Dirty Dog Trail Marathon & Half
Boise, ID | Jun 28, 2025

OVERALL

(0 ratings)

0
Mesa Falls Marathon & Half Marathon
Ashton, ID | Jul 19, 2025

OVERALL

(35 ratings)

4.5
Idaho Falls Marathon, Half Marathon & 5K
Idaho Falls, ID | Jul 26, 2025

OVERALL

(12 ratings)

3.3
Pocatello Marathon
Pocatello, ID | Aug 30, 2025

OVERALL

(6 ratings)

4.2
Bear Lake Brawl Triathlon
St Charles, ID | Sep 13, 2025

OVERALL

(0 ratings)

0
Priest Lake Marathon
Priest Lake, ID | Sep 13, 2025

OVERALL

(0 ratings)

0
Mainly Marathons Northwest Series Days 5 & 6 (ID)
Lewiston, ID | Sep 24–25, 2025

OVERALL

(1 rating)

5
City of Trees Marathon
Boise, ID | Oct 11, 2025

OVERALL

(2 ratings)

2.5
Hayden Lake Marathon
Hayden, ID | Oct 11, 2025

OVERALL

(1 rating)

5
Idaho Running Day
Boise, ID | Oct 18, 2025

OVERALL

(1 rating)

5

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