WHAT IS A TRACKMASTER®TRACK BIAS REPORT? See A Sample Click here to view the User Guide Click here to view the Tutorial TrackMaster® Track Bias Reports provide a snapshot of the bias trends of the winners for the last four racing days, as well as a graded view of the first four finishers for recent races and races over the last twelve months. If you're serious about taking advantage of track bias information for thoroughbred tracks across the country, this is the report for you! TrackMaster® Track Bias Reports are designed for use in conjunction with your other handicapping products.