Complimentary use of the Concept 2 integration for this workout using the link below

4 rounds for max reps of:

1 minute of snatches
1 minute of rowing for calories
1 minute of dumbbell box step-ups
1 minute of rest

WORKOUT VARIATIONS
Indy, 16-54 age-group divisions
♀ 85-lb (38 kg) barbell, 35-lb (15 kg) dumbbells, 20-inch box
♂ 135-lb (61 kg) barbell, 50-lb (22.5 kg) dumbbells, 20-inch box

14-15 age-group division
♀ 65-lb (29 kg) barbell, 20-lb (10 kg) dumbbells, 20-inch box
♂ 95-lb (43 kg) barbell, 35-lb (15 kg) dumbbells, 20-inch box

55-59 age-group division
♀ 75-lb (34 kg) barbell, 20-lb (10 kg) dumbbells, 20-inch box
♂ 115-lb (52 kg) barbell, 35-lb (15 kg) dumbbells, 20-inch box

60-64, 65+ age-group divisions
♀ 65-lb (29 kg) barbell, 20-lb (10 kg) dumbbells, 20-inch box
♂ 95-lb (43 kg) barbell, 35-lb (15 kg) dumbbells, 20-inch box