annual memorial day murph challenge murph why we do it boxlife magazine annual memorial day murph challenge the murph challenge what is it cnn murph wod memorial day murph cross fit wod 2016 parion your reps in murph physical fitness test mike murphy athlete mike murphy crossfit games navy lieutenant michael murphy fitness challenge honors an american hero i tried the murph workout what the memorial day murph wod on monday may the road to murph 6 week cindy the murph bining physical challenge this crosser crushed two murph named after navy lt michael p murphy memorial day murph i did a murph every day for 30 days spangdahlem airmen honor the fallen 5 11 memorial day murph 5 11 the insane memorial day murph challenge murph motivation stamford gym marks memorial day with aviano hosts memorial day murph challenge the story behind murph aspen crossfit patrick michael murphy partner murph crossfit midtown crossfit hero wod the origin of murph