Idaho · Marathon · Half Marathon · 10K
YMCA Famous Idaho Potato Marathon & Fun Runs
YMCA Famous Idaho Potato Marathon & Fun Runs is a marathon, half marathon, 10K and 5K event held in Boise, Idaho. Its next confirmed date is Saturday, May 15, 2027. About 3,000 runners take part across all distances.
- Race day
- May 15, 2027
- Location
- Boise, ID
- Field size
- ~3,000 runners
Race details
- Date
- Saturday, May 15, 2027
- Location
- Boise, Idaho
- Distances
- Marathon, Half Marathon, 10K, 5K
- Field size
- About 3,000 runners
- Course
- Flat (Boise Greenbelt)
- Registration
- runsignup.com
- Official website
- ymcatvidaho.org
Registration, course & weather
- Registration status
- Open
- Start time
- 7:00 AM MDT
- Course profile
- Loop course; Road surface; Boston qualifier
- Typical race-day weather
- about 50°F at the start, 63% humidity, 8 mph wind (based on the 2025 race day, measured near the city center rather than the exact start line; Open-Meteo, checked October 2, 2026)
About the YMCA Famous Idaho Potato Marathon & Fun Runs
A flat, fast and scenic Boise Greenbelt event presented by the Idaho Potato Commission, celebrating its 50th anniversary in 2026 with marathon, half, 10K and 5K options.
Rankings and notes
- Rankings and awards
- Boston qualifier; 50th anniversary in 2026; Idaho's oldest marathon
More marathons in Idaho
Coming up next, by confirmed date.
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Guides from the RaceRove blog
- 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.
- 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.
- 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.
YMCA Famous Idaho Potato Marathon & Fun Runs: common questions
- When is the YMCA Famous Idaho Potato Marathon & Fun Runs?
- The next confirmed date is Saturday, May 15, 2027.
- Where is the YMCA Famous Idaho Potato Marathon & Fun Runs held?
- In Boise, Idaho.
- What distances does the YMCA Famous Idaho Potato Marathon & Fun Runs offer?
- Marathon, Half Marathon, 10K and 5K.
- How many people run the YMCA Famous Idaho Potato Marathon & Fun Runs?
- About 3,000 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the YMCA Famous Idaho Potato Marathon & Fun Runs?
- Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
- Is registration open for the YMCA Famous Idaho Potato Marathon & Fun Runs?
- Yes — registration is open. Listed fee for the longest distance, $90 (from runsignup.com, checked October 7, 2026).
- What time does the YMCA Famous Idaho Potato Marathon & Fun Runs start?
- 7:00 AM MDT.
- What is the course like at the YMCA Famous Idaho Potato Marathon & Fun Runs?
- Loop course; Road surface; Boston qualifier.
- What is race-day weather usually like at the YMCA Famous Idaho Potato Marathon & Fun Runs?
- about 50°F at the start, 63% humidity, 8 mph wind (based on the 2025 race day, measured near the city center rather than the exact start line; Open-Meteo, checked October 2, 2026).
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.