2015 GPS Tracks
Nick Bull has created a webpage hosted on the DC Randonneurs site that offers Cue Sheets, GPS Files, and Planning Spreadsheet for PBP 2015. You can find that information here:
http://dcrand.org/blog/2015/07/09/cue-sheets-gps-files-and-planning-spreadsheet-for-pbp-2015/
Scroll down to the bottom after reading the text to find the Ride With GPS links for outbound and inbound segments of the 2015 PBP route.