A story in the Bozeman Chronicle describes some of what you’re up against in this story about a Montanan who just finished it:

For most of the hike, Horan traveled with a friend, Colorado resident Mark Dixon. But Dixon had to return to his U.S. Forest Service job before the trip was complete, so Horan, a book distributor, soloed the final miles through the Bob Marshall Wilderness and Glacier Park, where grizzly bears left steaming reminders of their presence along the brush-choked trails.

And then there was the drudgery. The trail is a national scenic trail, designated as such in 1978 by the federal government. But about a third of it remains