For time
That kind of workout is the simplest you can ever made. It's both readable and understandable.
100 pull-ups
100 push-ups
100 sit-ups
100 air-squats
score @time (the lower the better)
The athlete should do 100 pull-ups, 100 push-ups, 100 sit-ups, and 100 air-squats. The score is the time it takes.