Every 12 minutes, for 36 minutes for times:
400 Meter Run
40 Alternating Reverse Lunges with KB Farmer's Carry (24/16 kg)
20 Toes to Bar
40/30 Calories of Assault Bike
400 Meter Run
Athletes should get at least two minutes of rest, so please adjust the distances or number or repetitions accordingly if you're unable to perform the first set as prescribed in less than 10 minutes.