2027 Idaho Falls Marathon
Idaho Falls Marathon offers a flat, fast course with a growing field and strong community spirit.
Race Date
Jul 24, 2027
Location
Idaho Falls, ID
Quick facts
- Date
- Saturday, July 24, 2027
- Location
- Idaho Falls, Idaho
- Distance
- Half marathon (13.1 mi)
- Course
- Loop Course
- Terrain
- Road
- USATF certified
- Not listed
- Finishers on record
- 2,890
Highlights
Good For
Atmosphere
Course
The Experience
The Idaho Falls Marathon and Half Marathon, first run in 2012 and now in its 13th year, has become a beloved fixture in the Gem State. This event is known for its exceptionally flat and fast certified course, making it a prime destination for runners chasing personal bests. The race typically sees around 277 finishers, drawing participants from approximately 28 states, testament to its growing reputation.
Runners often praise the welcoming atmosphere and the dedicated community support that lines the course. While the repeat-runner rate hovers around 13%, the growing field suggests an increasing number of athletes are discovering the appeal of this Idaho race. The event offers a full marathon and a 5K alongside the half marathon, catering to a range of abilities.
The finish line celebration is a highlight, with participants enjoying a well-earned sense of accomplishment. The race is organized with attention to detail, ensuring a smooth experience for all involved, from seasoned marathoners to those tackling their first half.
Race-provided description
Welcome to the Idaho Falls Marathon. Learn all about the annual races and access registration for the next race.
Course Info
Course Type
Loop Course
Terrain
road
Surface
Paved
Difficulty
Ultra-Flat
Quality Score
Standout6714 years running
~277 finishers a year
growing or steady
13% returning runners
2 timing sources · 4 photos
runners from 24 states
winner 1:19:20
typical high 92°F
Race Day Weather
5-year historical avgStart (Low)
63°
Afternoon (High)
90°
Hot conditions — adjust pace expectations, prioritize hydration
0.0"
Precipitation
16 mph
Wind
25%
Humidity
Historical Finish Times
How 2,890 finishers actually crossed the line across 14 years.
Most recent
2026
Total finishers
2,890
Median time
2:27:28
Latest turnout
330
States
45
Turnout by year
2018–2026
Hover the histogram to inspect specific finish times.
Race Photos
Frequently asked
When is the 2027 Idaho Falls Marathon?
The 2027 Idaho Falls Marathon is held on Saturday, July 24, 2027.
Where does the 2027 Idaho Falls Marathon take place?
It takes place in Idaho Falls, Idaho.
What distances does the 2027 Idaho Falls Marathon offer?
The half marathon (13.1 miles).
Is the 2027 Idaho Falls Marathon course flat and good for a PR?
The 2027 Idaho Falls Marathon is a ultra-flat, loop course course.
How many people run the 2027 Idaho Falls Marathon?
HalfRuns has finish records for 2,890 runners who have completed the 2027 Idaho Falls Marathon.
HalfRuns editorial — independent, no paid placement.
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