These routes are described on http://www.njpalisades.org/trails.html
NOTE: It appears to be easy to go wrong on parts of this route. Study it carefully before attempting an FKT!
Ryan Witko posted the route:
The New York - New Jersey Trails Association describes the 50-mile Batona Trail:
Keystone Trails Association describes the Allegheny Front Trail (approx 42 miles) in Moshannon State Forest:
This approx. 42 mile route touches 4 states (PA, MD, WV & VA) while following the Appalachian Trail. A map is here.
saranaclake.com describes the Challenge as follows:
The 6ers are what we call the six highly climbable mountains that ring the village of Saranac Lake. The Adirondacks are known for its mountain hiking, and it's human nature to create "sets" for achievement purposes. There's the 46 High Peaks that are over 4,000 feet in height. Thus inspired, we have created what has turned out to be a very popular way for people to enjoy our kinder, gentler peaks.