Complete as many reps as possible in 12 minutes of:
1 overhead squat
10 burpee box jumps
2 overhead squats
10 burpee box jumps
3 overhead squats
10 burpee box jumps

Continue until time expires, adding 1 overhead squat each round.

♀ 125 lb, 20-in box
♂ 185 lb, 24-in box

Intermediate option:
Complete as many reps as possible in 12 minutes of:
1 overhead squat
10 burpee box jumps
2 overhead squats
10 burpee box jumps
3 overhead squats
10 burpee box jumps

Continue until time expires, adding 1 overhead squat each round.

♀ 85 lb, 20-in box
♂ 125 lb, 24-in box

Beginner option:
Complete as many reps as possible in 12 minutes of:
1 overhead squat
10 burpee box step-ups
2 overhead squats
10 burpee box step-ups
3 overhead squats
10 burpee box step-ups

Continue until time expires, adding 1 overhead squat each round.

♀ 35 lb, 12-in box
♂ 45 lb, 20-in box