Sunday, June 18th 2017 “Filthy Fifty” 50 Box Jumps 50 Jumping Pull-Ups 50 Kettlebell Swings 50 Walking Lunges 50 Knees to Elbows 50 Push Press 50 Back Extensions 50 Wall Balls 50 Burpees 50 Double Unders Share this post: a b c d j You might also like Search for: Content SectionsVideo Library Blog News Featured Posts Merchandise Partners