3 Box Jump on the Minute for 8 Minutes

Choose a height that allows for maximal power on each rep; these are not max effort attempts. Score height.
20inch

5-10 minutes Rest Then:

5 rounds for time of:

Hold breath 0:30-1:00

15 Push ups

15 Air Squats

15 Sit ups

15 Double Unders

Scaling: If unable to hold breath for a complete interval (0:30, for example) then use as few sets as possible to reach desired length of time (for example, 3 sets of 0:10 to reach 0:30).

Subtract breath-holding time from total workout time.

The scaling part was not explained for 6am. :(

Round 1-51 sec
Round 2-10sec
Round 3-10sec
Round 4-8sec
Round 5-8sec