This kennel, completed in summer 2004, consisted of six 20' x 6' exterior runs and six 5' x 6' interior (inside building) runs. Photo Gallery #1... This quality kennel features extra heavy duty construction throughout, hesitation panels under each of the 3'-0" exterior run doors, "escape proof" door latches, 2-inch standoff legs on all panels, and a 1/2" per foot pitch on the exterior panels.