[font size="1" color="#FF0000"]LAST EDITED ON Jan-19-02 AT 03:35PM (Est)[/font][p]Gin Miller's Intense Moves is pretty tough, 10 intervals but not as hard as Interval Max. It totals 45 minutes, but you could leave out the cool down, or shorten up the warmup or something. Maybe only do 9 of the intervals. And, Cathe's C/S/T is only 41 minutes.