Buy In: Run 400 meters. Mobilicize.
In 20 minutes complete as many rounds as possible of:
50 Double Unders
25 KB Swings (44/70) (Please plan on doing these indoors and using a coaster)
20 meters Burpee Broad Jumps. When you return to an upright positon, try to resist the temptation of walking a few steps before jumping.