Although we haven't been part of the PTNY group we have ridden along with them on the trail several times. I can't say anything about camp life, lectures, or food, but when on the trail folks were friendly but not overly chatty. For the most part the riders were single file in small groups of 2 or 3, there were also a lot of single riders as well. We did see a number of folks in the 40-50 year old range, as well as families with children so I don't think there is any issue with fitting in. Probably the most surprising thing we found was the less than ideal condition of some of the bikes and people on a ~400 mile tour.