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Many On The Genny

Mount Morris, United States • 20 Jun 2026

Many On The Genny is a 45-mile trail ultramarathon held in Castile, New York, within the scenic Letchworth State Park. The course features both sides of the famous gorge, offering runners a challenging mix of single track trails, fields, footbridges, and bridle paths. Participants experience stunning vistas and demanding climbs in a grassroots, community-focused atmosphere. The event emphasizes self-sufficiency, with five fully stocked aid stations and one water stop spaced along the route, requiring runners to be prepared for long stretches of up to 8-9 miles between aid points. A relay option is also available for teams. Visit the organization's website for the most recent information.

United States New York Mount Morris

Race information

Website Registration
45 mi
45 Miler
Visit the organization's website for the most recent information.
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