For 20 minutes perform:
Strict pull-ups – push-ups – squats
If you can finish 8 rounds by 5:00, switch to:
If you can finish 4 rounds by 10:00, switch to:
If you can finish 2 rounds by 15:00, switch to:
40-80-120 reps, then stop.
Post total rounds successfully completed by checkpoints.
If you do not complete by a checkpoint successfully, continue onward with 5-10-15 for the remaining time.