This morning I did not have much time so I did Amy's Step Challenge 4 premix that does w/up, combo 2, power ups, combo 3, power ups, combo 4, power ups, str.. 46 min, 395 cal, HR 136 avg, 165 max. I then did Jackie Warner's crunchless abs standing 16 min, 130 cal.. Total time was 62 min and calries burned 525.