While the route is "only" 54 miles, it is easily extended, one way is to head west to Laurelville. A, B & C cyclists welcome. The gps file is:
And then there is this interesting event, called the Peckerhead Invitational to which I believe all are invited. Information about routes and everything else can be found here: http://39x23andcounting.blogspot.com/
This is a free event but you are encouraged to make a donation to cover the cost of the event and you must rsvp on their Facebook page, which can be found on the above link.