(or Boni-Prep if you are more classically inclined)
An Excel and LibreOffice spreadsheet application for Mac and Windows
that prepares motorcycle road rally bonus locations and combos,
exporting them as waypoints and tracks in a GPX file
for import by Garmin Basecamp and Mapsource.
Bonii-Prep now also imports GPX waypoint files.
More information and download
A qualitative research study
by Col Martha Turner, USAF NC, Ph.D.
Complete study (pdf, 695k, fully indexed)