Filthy Friday By San Diego Personal Trainer|2012-03-02T23:34:59-08:00March 2nd, 2012| “Filthy 50″ For Time 50 Box Jumps 50 Jumping Pullups 50 K.B.S., 35lb 50 Walking Lunges 50 K2E 50 Push Press, 45lb 50 Back Ext 50 Wallballs 50 Burpees 50 Double Unders Share This Article FacebookXRedditLinkedInPinterest