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Naver Cafe: https://cafe.naver.com/ultimate01/?vi... Oxygen that is essential for our body https://smartstore.naver.com/allbarum... [kakaotalk] https://open.kakao.com/o/sGVVXuKf [instagram] / runndiet0 E-MAIL: [email protected] #Marathon #Competition #Condition Running It is very important to manage your condition before a marathon competition. There are often cases where you ruin your condition by measuring your record or overtraining before the competition. I will tell you how to manage your condition a week before the competition.