Endurance - grabbing the balls Workout

In teams of 3 for 40 minutes:
In teams of 3 with medicine balls for 40 minutes:
300 m bear hug carry
30 over the shoulder (alternating)
300 m bear hug carry
30 med ball top on the box (shoulder height boxes)
300 m bear hug carry
30 alternating shoulder squat

Men 50 lb, women 30/40 lb.