MammothMarch Upstate New York
Saturday, August 8, 2026 · Castile, United States
Distances
32.2 km
About this race
MammothMarch Upstate New York, "the hiking challenge of your life," is held at Letchworth State Park's Castile Entrance. This event has sold out three editions in a row.
Start location
Castile Entrance / Letchworth State Park, Denton Corners Road, Castile, NY
Castile, NY