Races Marathon · Boise, USA
Famous Idaho Potato Marathon
Famous Idaho Potato Marathon is a flat marathon in Boise, USA, held each May. The organiser describes the courses as flat and fast. They follow the Boise River and the Greenbelt on shaded paths and pass through the Warm Springs Avenue district of east Boise. Boise in mid-May is usually dry and mild, with race-morning temperatures of about 8 to 20°C. On a course as flat as Famous Idaho Potato Marathon, even splits are everything; the classic mistake is banking time in the first third.
Page rebuilt 2026-11-14 · race facts not independently verified — confirm dates and entries on the official race site
When
May
next: Saturday 15 May 2027
Course
flat
Marathon
Conditions
Boise in mid-May is usually dry and mild, with race-morning temperatures of about 8 to 20°C.
Racing this course well
The organiser describes the courses as flat and fast. They follow the Boise River and the Greenbelt on shaded paths and pass through the Warm Springs Avenue district of east Boise.
On a course as flat as Famous Idaho Potato Marathon, even splits are everything; the classic mistake is banking time in the first third.
Getting a place
- How you get in
- Open entry: first come, first served
Official Famous Idaho Potato Marathon site →Checked November 2026
Race day
- Next race
- Saturday 15 May 2027
- Start time
- 07:00
- Also on the day
- half-marathon, 10k, 5k
The course in numbers
- Boston qualifier
- Yes
Pick your goal for Boise
Pace charts, weekly structure and timelines for the most common marathon goals:
The date shown is the one the organiser has announced. Change it if yours differs.
Build your training around Famous Idaho Potato Marathon.
RunV works backwards from race day to today. Your plan adapts when life interrupts, and you approve every change. It does not adapt to this specific course — the pacing guidance above is where the course knowledge is.
Everything above stays free and complete — this is an optional next step, not a paywall.
Asked often
- When is the Famous Idaho Potato Marathon?
- The next Famous Idaho Potato Marathon is on Saturday 15 May 2027 in Boise, USA. It is held each May.
- Is the Famous Idaho Potato Marathon course flat?
- The organiser describes the courses as flat and fast. They follow the Boise River and the Greenbelt on shaded paths and pass through the Warm Springs Avenue district of east Boise.
- How do I enter the Famous Idaho Potato Marathon?
- Open entry: first come, first served.
- Is the Famous Idaho Potato Marathon a Boston qualifier?
- Yes. The Famous Idaho Potato Marathon is run on a certified course, so a time set here can be used to apply for the Boston Marathon.
- How should I train for the Famous Idaho Potato Marathon?
- Train specifically for Boise — terrain, conditions, goal pace — and let the plan flex around real life. With RunV Premium you can adapt your plan to fit your week.
Not sure what to target? Predict your marathon time from a recent race →
More marathon races
Supplements research for this distance
Build for Boise — around your actual life
RunV engineers your block backwards from race day in May — and adapts it when training doesn't go to script. You approve every change.
