For time:
21 Hip-Back Extensions
Run 400 meters
18 Hip-Back Extensions
Run 400 meters
15 Hip-Back Extensions
Run 400 meters
12 Hip-Back Extensions
Run 400 meters
9 Hip-Back Extensions
Run 400 meters
6 Hip-Back Extensions
Run 400 meters
3 Hip-Back Extensions
Run 400 meters

Post time to comments.

OR:

7 Rounds for Time Of:

7 Burpee Box Jumps

7 KB Swings

400M Run or Row

Hip Back Extension…[wmv]  from CrossFit.com