On January 6, MBC revealed the show's full lineup. The boy groups attending the event include B1A4, B.A.P, EXO, NCT, SF9, NU'EST, Mad Town, MONSTA X, BTS, VIXX, VICTON, Seventeen, Snuper, ASTRO, UP10TION, IMFACT, KNK, and TEEN TOP.
The female artists joining the competition are AOA, EXID, Gugudan, LABOUM, Lovelyz, Red Velvet, Melody Day, MIXX, Berry Good, Brave Girls, SONAMOO, G-Friend, Oh My Girl, Cosmic Girls, TWICE, FIESTAR, Jun Min Kyung, Heyne, and Rui.
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Recording for '2017 Idol Star Athletics Championship' is scheduled to take place on January 16, and the special will air during the holiday break for Lunar New Year!