Darrell from Jeff City, Mo. on 4/2/2014 3:52:50 AM:
My opinion is, 60 miles is way, way more reasonable than 100. Have done nearly 100 miles, once, wore me out, don't plan to do it again. I would not really want to do 60 a day for very many days, I'm no youngster. But it is reasonable for many I'm sure, it mainly depends on a persons fitness level I suppose.