Idaho · 50K · 1/2 Marathon · 5 Miler
Moscow Mountain Madness
Moscow Mountain Madness is a 50K, 1/2 Marathon and 5 Miler event held in Moscow, Idaho. It was last held on October 4, 2026 and is usually run in October; the next date hasn't been announced yet.
- Usually held
- October
- Location
- Moscow, ID
Race details
- Last held
- October 4, 2026
- Usually held in
- October
- Location
- Moscow, Idaho
- Distances
- 50K, 1/2 Marathon, 5 Miler
- Course
- Technical, hilly single-track with serious climbs and descents along Moscow Mountain; no official total elevation-gain figure published for any distance
- Registration
- ultrasignup.com
- Official website
- palouseroadrunners.org
Registration, course & weather
- Registration status
- Registration status as last checked September 28, 2026: open
- Start time
- 6:30 AM PDT
- Course profile — 50K
- Point-to-point course; Mostly trail, some road
- Course profile — Half Marathon
- Point-to-point course; Mostly trail, some road
- Course profile — 5 Miler
- Point-to-point course; Mostly trail, some road
- Typical race-day weather
- about 40°F at the start, 76% humidity, 4 mph wind (based on the 2025 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 28, 2026)
About the Moscow Mountain Madness
Moscow Mountain Madness is a trail race series (5 Mile, Half Marathon, and 50K) along the ridge of Moscow Mountain above Moscow, ID, run since 1978 by the volunteer-run Palouse Road Runners. Courses are mostly technical single-track with some logging roads, and the 50K tours a large network of trail that rarely repeats.
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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.
- 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.
Moscow Mountain Madness: common questions
- When is the Moscow Mountain Madness?
- The next date hasn't been announced in the listing yet. The race is usually held in October. Check the organiser's website for the official date.
- Where is the Moscow Mountain Madness held?
- In Moscow, Idaho.
- What distances does the Moscow Mountain Madness offer?
- 50K, 1/2 Marathon and 5 Miler.
- How do I register for the Moscow Mountain Madness?
- Registration is handled by the organiser at ultrasignup.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Moscow Mountain Madness?
- Registration status as last checked September 28, 2026: open.
- What time does the Moscow Mountain Madness start?
- 6:30 AM PDT.
- What is race-day weather usually like at the Moscow Mountain Madness?
- about 40°F at the start, 76% humidity, 4 mph wind (based on the 2025 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 28, 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.