Idaho · Half Marathon
Half Marathons in Idaho
Idaho currently has 8 upcoming half marathons with a confirmed date listed in RaceRove. Boise, Pocatello, Rexburg and Coeur D Alene have the largest concentration of events.
Another 24 annual half marathons are waiting for next year's date to be announced.
- Upcoming, date confirmed
- 8
- Active listings
- 32
- Cities with races
- 19
More ways to browse Idaho
Upcoming half marathons in Idaho
All 8 with a confirmed date, soonest first.
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Jackass Half Marathon & 5KKellogg, IDJackass 5KJackass Half MarathonJackass Half Marathon (Walkers)Kid's Jackass Half Marathon
Dates come from each race's own listing. Always confirm on the organiser's site before you book travel.
Largest half marathon events in Idaho
By estimated field size across all distances at the event.
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St. Luke's FitOne 5K/10K/Half MarathonBoise, ID Usually held in September · date not confirmedHalf Marathon10K5K ~12,000 runners
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YMCA Famous Idaho Potato Marathon & Fun RunsBoise, ID Usually held in May · date not confirmedMarathonHalf Marathon10K5K ~3,000 runners
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Race to Robie CreekBoise, ID Usually held in April · date not confirmedHalf Marathon ~2,400 runners
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Boise Marathon & HalfBoise, ID Usually held in October · date not confirmedMarathonHalf5K ~2,000 runners
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Coeur d'Alene MarathonCoeur d'Alene, ID Usually held in May · date not confirmedMarathonHalf Marathon10K5K ~2,000 runners
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Shamrock Shuffle Half Marathon, 10K & 5KEagle, ID Usually held in March · date not confirmedHalf Marathon10K5K ~1,200 runners
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Teton Dam Marathon & RacesRexburg, ID Usually held in June · date not confirmedMarathonHalf Marathon10K5K ~1,200 runners
When half marathons happen in Idaho
- May
- 2 upcoming races
- October
- 5 upcoming races
- November
- 1 upcoming race
Idaho cities with the most half marathons
- Boise
- 2 upcoming races
- Pocatello
- 1 upcoming race
- Rexburg
- 1 upcoming race
- Coeur D Alene
- 1 upcoming race
- Kellogg
- 1 upcoming race
- Moscow
- 1 upcoming race
- Swan Valley
- 1 upcoming race
Annual events awaiting their next date
These half marathons are held every year, but the next date isn't in the listing yet. The month shown is when each is usually held.
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St. Luke's FitOne 5K/10K/Half MarathonBoise, ID Usually held in September · date not confirmedHalf Marathon10K5K ~12,000 runners
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YMCA Famous Idaho Potato Marathon & Fun RunsBoise, ID Usually held in May · date not confirmedMarathonHalf Marathon10K5K ~3,000 runners
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Race to Robie CreekBoise, ID Usually held in April · date not confirmedHalf Marathon ~2,400 runners
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Boise Marathon & HalfBoise, ID Usually held in October · date not confirmedMarathonHalf5K ~2,000 runners
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Coeur d'Alene MarathonCoeur d'Alene, ID Usually held in May · date not confirmedMarathonHalf Marathon10K5K ~2,000 runners
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Shamrock Shuffle Half Marathon, 10K & 5KEagle, ID Usually held in March · date not confirmedHalf Marathon10K5K ~1,200 runners
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Teton Dam Marathon & RacesRexburg, ID Usually held in June · date not confirmedMarathonHalf Marathon10K5K ~1,200 runners
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City of Trees MarathonBoise, ID Usually held in October · date not confirmedMarathonHalf Marathon10K5K ~1,000 runners
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Pocatello MarathonPocatello, ID Usually held in September · date not confirmedMarathonHalf ~900 runners
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Mesa Falls Marathon & Half MarathonAshton, ID Usually held in July · date not confirmedMarathonHalf Marathon10K5K ~800 runners
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Idaho Falls MarathonIdaho Falls, ID Usually held in July · date not confirmedMarathonHalf ~700 runners
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Long Bridge Half MarathonSandpoint, ID Usually held in May · date not confirmedHalf Marathon10K5K ~500 runners
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Post Falls Half Marathon, 10K & 5KPost Falls, ID Usually held in May · date not confirmedHalf Marathon10K5K ~500 runners
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Sun Valley MarathonSun Valley, ID Usually held in May · date not confirmedMarathonHalf ~500 runners
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Race the WolfSandpoint, ID Usually held in June · date not confirmedMarathonHalf Marathon5 Mile ~400 runners
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Spirit of the Magic Valley Half Marathon, 10K & 5KTwin Falls, ID Usually held in June · date not confirmedHalf Marathon10K5KKids 1 Mile ~400 runners
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Sun Valley Half MarathonSun Valley, ID Usually held in June · date not confirmedHalf Marathon ~400 runners
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Falls2Falls RunTwin Falls, ID Usually held in April · date not confirmedHalf Marathon5.2 Mile5KKids 1 Mile ~300 runners
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Priest Lake MarathonPriest Lake, ID Usually held in September · next date not announced31.0686 Miles10K5KMarathon +1 more ~300 runners
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Salmon Marathon & Half MarathonSalmon, ID Usually held in September · date not confirmedMarathonHalf Marathon ~200 runners
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Outlaw Trail Ultra Half MarathonHansen, ID Usually held in August · next date not announcedHalf Marathon14.2 Miles
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Popsicle 5K/10K/Half - BoiseBoise, ID Usually held in August · next date not announcedHalf Marathon5K10K
Half Marathons in nearby states
Guides from the RaceRove blog
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 9 min read How to Run a Race in All 50 States How to plan a 50-state running challenge: set your own rules, group states into trips, build a calendar around the seasons, budget for it and keep track of every finish.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Half Marathons in Idaho: common questions
- How many half marathons are there in Idaho?
- RaceRove currently lists 8 upcoming half marathons in Idaho with a confirmed date, plus 24 annual events whose next date hasn't been announced yet.
- How long is a half marathon?
- A half marathon is 13.1 miles (21.1 kilometres).
- Which Idaho cities have the most half marathons?
- By upcoming events listed in RaceRove: Boise (2), Pocatello (1), Rexburg (1), Coeur D Alene (1) and Kellogg (1).
- What is the biggest half marathon in Idaho?
- By estimated field size, the largest event with a half marathon listed in Idaho is the St. Luke's FitOne 5K/10K/Half Marathon, with about 12,000 runners across all of its distances.
Search every half marathon in Idaho
Filter by month, course profile and field size, save races to a shortlist and compare them side by side in the interactive search.