1月7日分の練習メニューですcategory distance number set circle kind content w-up 250 1 1 05:00 choice 逆回り swim 50 4 1 01:00 fr 呼吸制限3回 drill 50 4 2 01:15 choice fly pull-front scouling/flatter kick fly-middle scouling/under water-rea…