West · ID
Running Races in Idaho
Idaho currently has 57 upcoming races with a confirmed date listed in RaceRove. Boise, Coeur d'Alene, Idaho Falls and McCall have the largest concentration of events.
By distance, that includes 36 5Ks, 18 10Ks, 25 half marathons and 14 marathons. Many events offer more than one distance, so a race can appear in more than one of those counts.
May (10), April (8) and June (7) are the busiest months on the calendar right now. Another 50 annual races are waiting for next year's date to be announced.
- Upcoming, date confirmed
- 57
- Active listings
- 107
- Cities with races
- 46
Browse Idaho races by distance
Upcoming races in Idaho
All 57 with a confirmed date, soonest first.
-
Endless Trails Series RegistrationsMcCall, IDVirtual virtuosoVirtual long legsIn-person long legsVirtual shorties +2 more
-
Spirit of the Magic Valley Half Marathon, 10K & 5KTwin Falls, IDHalf Marathon10K5KKids 1 Mile ~400 runners
Dates come from each race's own listing. Always confirm on the organiser's site before you book travel.
Largest races in Idaho
By estimated field size across all distances at the event.
-
Aaron Butler Memorial Purple Heart Run: IdahoEagle, ID Usually held in August · next date not announced5K10K ~5,300 runners
-
YMCA Harrison Classic Kids RunBoise, ID Usually held in October · next date not announced1 Mile ~3,650 runners
When races happen in Idaho
- January
- 4 upcoming races
- February
- 2 upcoming races
- March
- 2 upcoming races
- April
- 8 upcoming races
- May
- 10 upcoming races
- June
- 7 upcoming races
- July
- 4 upcoming races
- August
- 3 upcoming races
- September
- 6 upcoming races
- October
- 2 upcoming races
- November
- 5 upcoming races
- December
- 4 upcoming races
Idaho cities with the most races
- Boise
- 19 upcoming races
- Coeur d'Alene
- 4 upcoming races
- Idaho Falls
- 3 upcoming races
- McCall
- 2 upcoming races
- Eagle
- 2 upcoming races
- Sandpoint
- 2 upcoming races
- Twin Falls
- 2 upcoming races
- Pocatello
- 2 upcoming races
Running in Idaho cities
Browse Idaho races by month
Annual events awaiting their next date
These races are held every year, but the next date isn't in the listing yet. The month shown is when each is usually held.
-
Aaron Butler Memorial Purple Heart Run: IdahoEagle, ID Usually held in August · next date not announced5K10K ~5,300 runners
-
YMCA Harrison Classic Kids RunBoise, ID Usually held in October · next date not announced1 Mile ~3,650 runners
-
Top of TamarackTamarack, ID Usually held in September · next date not announced15 Miles ~1,510 runners
-
City of Trees MarathonBoise, ID Usually held in October · next date not announcedMarathonHalf Marathon10K5K ~1,000 runners
-
Halloween HustleCoeur d'Alene, ID Usually held in October · next date not announced5K10K0.5 Miles ~925 runners
-
Outlaw Trail Ultra Half MarathonHansen, ID Usually held in August · next date not announcedHalf Marathon14.2 Miles ~200 runners
-
IMTUF 100 - Idaho Mountain Trail Ultra FestivalMcCall, ID Usually held in September · next date not announced100 Miler ~126 runners
-
Hayden Lake MarathonHayden Lake, ID Usually held in October · next date not announcedMarathon10K5K6.55 Miles +1 more ~84 runners
-
Harriman Trail RunsIsland Park, ID Usually held in August · next date not announced50K/Venti25K/Grande10k/Tall1k/Short ~44 runners
-
Sasquatch ShuffleMcCall, ID Usually held in October · next date not announced50K30K20K ~24 runners
-
Angel Dash - Idaho Falls, IDIdaho Falls, ID Usually held in October · next date not announcedMemorial WalkTimed 5KVirtual
-
Boise Front Trail FestivalHorseshoe Bend, ID Usually held in July · next date not announced5 Miles10 Miles2 Miles
-
Conquer The Peaks of Silver Mountain 13k & 2Mile Trail RunKellogg, ID Usually held in August · next date not announced8 Miles2.75 Miles
-
Dash for Down SyndromeIdaho Falls, ID Usually held in August · next date not announced1 Mile3.21 Miles10K
-
Eternal Surrender Half MarathonCoeur D Alene, ID Usually held in October · next date not announced5K10KHalf Marathon
-
Haunted Half Marathon and 5k by Run the UndergradRexburg, ID Usually held in October · next date not announcedHalf Marathon5K13.2 Miles
-
If You're Not First You're LastEagle, ID Usually held in September · next date not announcedLast Man Standing3 Loop Challenge
-
Instant Gratification Zero Mile Fun RunBoise, ID Usually held in September · next date not announced0 Miles
-
Jackass Half Marathon & 5KKellogg, ID Usually held in October · next date not announcedJackass 5KJackass Half MarathonJackass Half Marathon (Walkers)Kid's Jackass Half Marathon
-
Legends Never DieKetchum, ID Usually held in October · next date not announced55km Wave 355km Wave 155km Wave 21/2 Mar. Wave 3 +3 more
-
Moscow Mountain MadnessMoscow, ID Usually held in October · next date not announced50K1/2 Marathon5 Miler
-
RIM2RIM RACE4HOMESTwin Falls, ID Usually held in September · next date not announced7.5 Miles3.5 Miles
-
River & Rails Donkey DashCambridge, ID Usually held in October · next date not announced3 Miles6 Miles9 Miles
Races in nearby states
Guides from the RaceRove blog
- 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.
- 4 min read Diplo's Run Club 2026-27: Every City, Date and Course Diplo's Run Club is a 5K with a post-race concert. Every US date for 2026-27 (San Francisco, New York, Los Angeles, San Diego and Phoenix), start times and courses.
- 8 min read How to Choose Your First Marathon A practical checklist for choosing a first marathon based on course, weather, cutoff, travel, field size and support.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Running Races in Idaho: common questions
- How many races are there in Idaho?
- RaceRove currently lists 57 upcoming races in Idaho with a confirmed date, plus 50 annual events whose next date hasn't been announced yet.
- Which Idaho cities have the most races?
- By upcoming events listed in RaceRove: Boise (19), Coeur d'Alene (4), Idaho Falls (3), McCall (2) and Eagle (2).
- When is race season in Idaho?
- Of the upcoming races listed, the busiest months are May (10), April (8) and June (7).
- What is the biggest race in Idaho?
- By estimated field size, the largest race 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 race 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.