Running Man Season 1 Season 1, episode 126 1 Vs 7, Choi Ji Woo Vs Running Man December 30, 2012 1 h 35 min Guest: Choi Ji Woo. Location: Gyeongnam Horse Racing Park, Gangseo-gu, Busan Previous episode Snowball Fight Race (Christmas Special) Next episode New Year’s Special! 12 Chinese Zodiac sign Race !