Partner 1 performs the workout listed above. Partner 2 runs 400 meters with a sandbag (45/25). When Partner 2 returns from the run, Partner 1 will grab the sandbag, and begin their 400 meter run, while Partner 2 continues the workout where Partner 1 left off. Mark a round completed following the 11 box jumps. This is an AMRAP workout so score is total rounds and reps at the end of 31 minutes.