The John Beargrease Sled Dog Marathon, originally scheduled for late January along the North Shore of Lake Superior, has been postponed to March 2 because of a lack of snow and poor trail conditions.

On Thursday, organizers announced the John Beargrease Sled Dog Marathon — which was previously scheduled for late January — has been postponed to March 2 due to “unsafe” trail conditions, saying there is insufficient snow and icy terrain along the course.

The 2025 John Beargrease Sled Dog Marathon in northeastern Minnesota is postponed until March 2nd due to unsafe trail conditions. The board of directors says recent assessments revealed insufficient snow and ice along the 300-mile course from Duluth to Grand Portage.