Instead of shimmying into a miniskirt, the 29-year-old pulled on a pair of running tights. Instead of slipping her feet into a set of precarious heels, she slipped into running shoes. And in lieu of hailing a cab to the party, she ran from her apartment to the venue in Yongsan-gu, arriving after an hour-long, 5-mile jog, ready to hit the dance floor.