Idaho Running Day
Boise's Idaho Running Day offers a scenic journey along the Boise River Greenbelt.
Race Date
Oct 17, 2026
Location
Boise, ID
Quick facts
- Date
- Saturday, October 17, 2026
- Location
- Boise, Idaho
- Distance
- Half marathon (13.1 mi) + 26.2 Miles, 10K, 5K
- Course
- Point to Point
- Terrain
- Road
- USATF certified
- Yes
- Finishers on record
- 554
Highlights
Good For
Atmosphere
Course
The Experience
The Idaho Running Day, held in Boise, unfolds along the picturesque Boise River Greenbelt, offering a scenic route from Lucky Peak Reservoir to Southeast Boise. This event is a draw for athletes from across Idaho and the Pacific Northwest, with recent editions attracting participants from approximately 21 states.
With a median field of around 140 finishers, this race is growing and provides a competitive atmosphere, evidenced by typical winning times near 71 minutes. Runners can expect a well-organized event with local flair, including locally designed medals and high-quality athletic shirts. Post-race festivities and real-time chip results add to the day's appeal.
While parking at the start/finish area in Sandy Point Park is limited, shuttle services will be provided from an alternate location. The event also offers 5K, 10K, and Marathon distances, making it a comprehensive running festival.
Race-provided description
2026 Idaho Running Day (October 17) is a great event for all athletes with a 5k, 10k, Half Marathon, and Marathon. It takes place along the picturesque Boise Greenbelt, from Lucky Peak Reservoir to Southeast Boise, with stunning views of the Boise River. Idaho Running Day attracts runners from across Idaho and the Pacific Northwest, with fantastic prizes from our local partners up for grabs. TRANSPORTATION: Parking at the start/finish is limited and shuttles will be provided from an alternate parking location to accommodate all participants and spectators. Stay tuned for details! Start/Finish area: Sandy Point Park (Boise, ID) Start Times: 8:00 am - Half Marathon, Marathon 9:00 am - 5k, 10k All participants receive: Medals designed locally by our race teamHigh-quality athletic shirtsPost-Race PartyReal-Time Chip Results Courses: 5K: Course Map PDF | Interactive Course Map 10K: Course Map PDF | Interactive Course Map Half Marathon: Course Map PDF | Interactive Course Map Marathon: Course Map PDF | Interactive Course Map For more comprehensive Idaho Running Day info, please take a look at our main website page HERE!
Logistics
Race Day
Saturday, October 17, 2026
Start Time
8:00 AM
Giveaway
T-Shirt
Start Location
Lucky Peak State Park Sandy Point Unit, Boise, ID, 83716
Course Info
USATF CertifiedCourse Type
Point to Point
Terrain
road
Scenery
Lake River, Urban
Surface
Paved
Difficulty
Ultra-Flat
Net Drop/km
0 m (Flat)
Separation
0.0%
Also Offers
USATF Certified Course
ID25004LAB · Idaho Race Day IRD 1/2 Marathon 2025
Relatively flat with minimal net elevation change. Loop course — start and finish are close together.
Quality Score
Standout614 years running
~140 finishers a year
growing or steady
7% returning runners
USATF certified · 6 timing sources
runners from 21 states
winner 1:10:58
typical high 68°F
Race Day Weather
5-year historical avgStart (Low)
45°
Afternoon (High)
68°
Pleasant conditions — light layers at start, comfortable by finish
0.0"
Precipitation
11 mph
Wind
50%
Humidity
Historical Finish Times
How 554 finishers actually crossed the line across 4 years.
Most recent
2025
Total finishers
554
Median time
2:09:36
Latest turnout
168
States
28
Turnout by year
2022–2025
Hover the histogram to inspect specific finish times.
Race Photos
Frequently asked
When is the Idaho Running Day?
The Idaho Running Day is held on Saturday, October 17, 2026, starting at 8:00 AM.
Where does the Idaho Running Day take place?
It takes place in Boise, Idaho.
What distances does the Idaho Running Day offer?
The half marathon (13.1 miles), plus 26.2 Miles, 10K, 5K.
Is the Idaho Running Day course flat and good for a PR?
The Idaho Running Day is a ultra-flat, point to point course. The course is USATF-certified, so finish times can be used for qualifying.
How many people run the Idaho Running Day?
HalfRuns has finish records for 554 runners who have completed the Idaho Running Day.
HalfRuns editorial — independent, no paid placement.
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