Day 4

Warm-up
Pick One: Run 1/4 mile / Row 500m / Airdyne 20 calories

Then,

3 rounds:
10 Overhead PVC squats (Example)
10 Hand Release Push-ups (Example)

10 Back extensions (Example)

Workout
As many rounds as possible in 20 minutes of:

5 Deadlifts @ 135lbs
10 Box jumps (Example)
15 Abmat sit-ups

Then,

Run 1.5 miles for time

Cool-down
Stretch