WOD

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

27:18:33

I had to go back and forth between upstairs and downstairs to use the GHD.