AMRAP 45
100 Double Unders
90 Air Squats
80 Pushups
70 Knee-hugs
60 Wall Balls
50 Burpees
40 Sit-ups
30 Box Jumps
20 Calories
10 Wall Walks

And then back up

20 Cal
30 Box Jumps
….

*stop and Run 400m at minute 8, 16, 24, 32 and 40!