９月１７日分の練習メニューですcategory distance number set circle event content sum distance w-up 250 1 1 4:00 choice 250 50 4 1 1:00 FR 2breath 200 0 drill 50 4 2 1:20 choice 1t:catch up/front sc 400 2t:hand touch/middle sc 0 3t:dolphin/r…