Thursday 5/11/16 May 10, 2017 by CFAdmin WOD AMRAP in 15 Minutes: 3 Calories on Bike, Ski or Rower, 3 Burpees, 30 Double Unders, 6 Calories on Bike, Ski or Rower, 6 Burpees, 30 Double unders, Keep adding 3 reps to the cals and burpees until time runs out. Double unders stay the same.