March 14, 2010 Monday March 14, 2010/ Jason Pictured: Kyle completes a 46" box jump, he now can land a 48.5" box jump. MAX EFFORT Box Jump, How high can you go?WODThree rounds for time of:30 Double-unders25 L-pull-ups50 pound dumbbells Squat clean, 20 repsPost time to comments.