Burpees, Hollow Rocks, Slamballs, Mtn. Climbers, Air Squats Workout

3 Rounds

800m run
10 Burpees
20 Hollow rocks
30 Slamballs 30/20
40 Mountain climbers(Ea. step = 1 rep)
50 Air squats

Really wanted to try and get under 30 min, but totally crapped out on the last run.