8 Oct /0 Comments/WOD CrossFit Opus Workout of the Day – October 8, 2013 WOD CROSSFIT OPUS – WORKOUT OF THE DAY SKILL: 400m Sprint Rest 2 min 400m Sprint WOD: AMRAP in 8 20 Double unders 10 Mountain climbers per leg CrossFit, CrossFit Opus, CrossFit Opus Hamilton Ontario, Double unders, Metabolic Conditioning, Running