Mixed aerobic Workout

30 minute AMRAP
For time
400m run (1 lap)
10 box stepups 24"/20"
10 db snatch 50/35 alternating -> lighter db -> kbs
700m run (2 laps)
20 box stepups 24"/20"
20 db snatch 50/35 alternating
1000m run (3 laps)
30 box stepups 24"/20"
30 db snatch 50/35 alternating
1300m run (4 laps)
40 box stepups 24"/20"
40 db snatch 50/35 alternating
1600m run (5 laps)
50
50
...