Moscow Mountain Madness
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Event overview
The Moscow Mountain Madness takes place in Moscow, ID on October 5, 2025. The event offers three distances:
- 50K
- Half marathon (13.1 miles)
- 5 Mile
Registration is pre-registration only and closes on Friday, October 3 at 11:59 PM PT. No race-day registration is allowed. The event does not offer refunds, but registrants may transfer their bib or change distances before registration closes. Short-sleeve tech shirts are available for purchase; orders placed by September 5 will be ready by race day.
Course, logistics and rules
All courses run on Moscow Mountain and are mostly technical single-track with some logging-road sections. The 50K route is primarily forest single-track, will be fully flagged, and participants are expected to have access to a GPX course file during the race. The 50K has a 10-hour overall cutoff (about 18.66 min/mile) and will include aid station cutoffs. Water stops for the half marathon are at 5.5, 9.5 and 10.75 miles; the 5‑mile course has a water stop at 3 miles. Porta-potties are provided at the start and finish. Limited parking is noted and carpooling is recommended. Dogs and headphones are not allowed. Awards are given to first-place male, female, and nonbinary runners (overall and masters) for each distance. Volunteers are used for parking, aid stations, course marking, and other race duties. Visit the organization's website for the most recent information.