Definitions for "OFF TRACK"
Keywords:  fast, track, shock, wagering, wet
a running surface that is anything other than fast. Also, a facility for wagering away from the track.
an off track refers to a wet racing surface.
Used when the read/write head is unable to follow the right track. In hard disks this may be a result of a shock (shock damage). In tape context this may be due to mechanical problems with the tape drive.