Reebok and CrossFit continue their mission to empower people around the world to be fit for life by attempting to break two World Records -- the Largest 3D Painting and the Longest 3D Painting -- on the global Guinness World Records Day. To achieve this, Reebok CrossFit has teamed up with London-based street artists '3D Joe and Max' to create a spectacular, jaw-dropping outdoor workout experience.