Monster Mash — WOD

21-15-9 reps of:
Calories, Air Assault bike
Toes to bar

Rest 3 minutes, then

9-12-15 reps of:
Calories, Air Assault bike
Toes to bar

AMRAP 30 minutes of:
500m Row
400m Run
20 Calories Air Assault
10 Triple-unders