1 minute challenge! Sprinter Jump Lunges! Get that posterior chain firing! #kbendurance #1minchallenge #run #bike #swim #row #triathlon #triathlete #crosstrain #fitness #30daywarriortraining @3fu3l @unscaredinc #iCANiWILL #inspire @bvmcrossfit @ironmantri @tightclub @top_triathletes @crossfit_endurance














