Idols compete in MBC's bi-annual athletic competition. Featuring Girl's Day, AOA, SISTAR, EXID, Apink, Wonder Girls, Kara, MAMAMOO, Miss A, Red Velvet, T-ara, 4MINUTE, GFRIEND, EXO, VIXX, SHINee, INFINITE, BEAST, B1A4, Block B, ZE:A, BTOB, GOT7 and many more!