2017 Idol Star Athletics Championships (2017)

Main Host

• 
  Jung Eun Ji Main Host
• 
  Lee Soo Geun Main Host
• 
  Jun Hyun Moo Main Host

Regular Member

• 
  Kim Na Young Regular Member
• 
  Mimi Regular Member
• 
  Shin Yeon Suh Regular Member
• 
  Kim Se Jeong Regular Member
• 
  Kim Woo Seok Regular Member
• 
  Hello Gloom Regular Member
• 
  Lee Sang Regular Member
• 
  Kim Tae Ho Regular Member
• 
  Jian Regular Member
• 
  Park Je Up Regular Member
• 
  Hirai Momo Regular Member
• 
  Minatozaki Sana Regular Member
• 
  Myoui Mina Regular Member
• 
  Kim Da Hyun Regular Member
• 
  Park Ji Hyo Regular Member
• 
  Im Na Yeon Regular Member
• 
  Jeong Yeon Regular Member
• 
  Son Chae Young Regular Member
• 
  Chou Tzu Yu Regular Member
• 
  Irene Regular Member
• 
  Seulgi Regular Member
• 
  Ye Ri Regular Member
• 
  Wendy Regular Member
• 
  Joy Regular Member
• 
  ZN Regular Member
• 
  Jung So Yeon Regular Member
• 
  Ahn Sol Bin Regular Member
• 
  Kim Yool Hee Regular Member
• 
  Yoo Ji Ae Regular Member
• 
  Lee Su Jeong Regular Member
• 
  Lee Mi Joo Regular Member
• 
  Jung Ye In Regular Member
• 
  Kei Regular Member
• 
  Jin Regular Member
• 
  Seo Ji Soo Regular Member
• 
  Ryu Soo Jung Regular Member
• 
  Umji Regular Member
• 
  SinB Regular Member
• 
  Yu Ju Regular Member
• 
  Eun Ha Regular Member
• 
  Jung Ye Rin Regular Member
• 
  Kim So Won Regular Member
• 
  Ahn Hee Yeon Regular Member
• 
  LE Regular Member
• 
  Park Jeong Hwa Regular Member
• 
  Heo Sol Ji Regular Member
• 
  Cha Hak Yeon Regular Member
• 
  Hyuk Regular Member
• 
  Lee Hong Bin Regular Member
• 
  Ravi Regular Member
• 
  Leo Regular Member
• 
  Ken Regular Member
• 
  Han Seung Woo Regular Member
• 
  Kang Seung Sik Regular Member
• 
  Heo Chan Regular Member
• 
  Lim Se Jun Regular Member
• 
  Do Han Se Regular Member
• 
  Jung Su Bin Regular Member
• 
  Choi Byung Chan Regular Member
• 
  Lee Jin Hyuk Regular Member
• 
  Kuhn Regular Member
• 
  Jin Hoo Regular Member
• 
  Sun Youl Regular Member
• 
  Ko Gyeol Regular Member
• 
  Xiao Regular Member
• 
  Bit-to Regular Member
• 
  Dam Woo Regular Member
• 
  Lee Hwan Hee Regular Member
• 
  Niel Regular Member
• 
  Lee Byung Hun Regular Member
• 
  Changjo Regular Member
• 
  Ricky Regular Member
• 
  Chunji Regular Member
• 
  Dino Regular Member
• 
  The8 Regular Member
• 
  Boo Seung Kwan Regular Member
• 
  Woozi Regular Member
• 
  DK Regular Member
• 
  Jeon Won Woo Regular Member
• 
  Jun Regular Member
• 
  Hoshi Regular Member
• 
  Yoon Jeong Han Regular Member
• 
  Kim Min Gyu Regular Member
• 
  Vernon Regular Member
• 
  Joshua Hong Regular Member
• 
  S.Coups Regular Member
• 
  Ren Regular Member
• 
  Hwang Min Hyun Regular Member
• 
  Baekho Regular Member
• 
  Aaron Kwak Regular Member
• 
  Kim Jong Hyeon Regular Member
• 
  I.M Regular Member
• 
  Joohoney Regular Member
• 
  Chae Hyung Won Regular Member
• 
  Seo Hye Lin Regular Member
• 
  Yoo Ki Hyun Regular Member
• 
  Lee Min Hyuk Regular Member
• 
  Won Ho Regular Member
• 
  Shownu Regular Member
• 
  Doh Kyung Soo Regular Member
• 
  Choi Seong Hyeok Regular Member
• 
  Oh Se Hun Regular Member
• 
  Hiro Regular Member
• 
  Kai Regular Member
• 
  Shim Sang Il Regular Member
• 
  Park Chan Yeol Regular Member
• 
  Jo Sang Ho Regular Member
• 
  Chen Regular Member
• 
  Yeom Hae In Regular Member
• 
  Byun Baek Hyun Regular Member
• 
  Lay Zhang Regular Member
• 
  Kim Yoo Jung Regular Member
• 
  Suho Regular Member
• 
  Yoo Tae Woong Regular Member
• 
  Xiumin Regular Member
• 
  Jeon Jung Kook Regular Member
• 
  V Regular Member
• 
  Park Ji Min Regular Member
• 
  RM Regular Member
• 
  J-Hope Regular Member
• 
  Suga Regular Member
• 
  Jin Regular Member
• 
  Gong Chan Regular Member
• 
  Cha Sun Woo Regular Member
• 
  Sandeul Regular Member
• 
  CNU Regular Member
• 
  Jung Jin Young Regular Member
• 
  Zelo Regular Member
• 
  Moon Jong Up Regular Member
• 
  Yoo Young Jae Regular Member
• 
  Kim Him Chan Regular Member
• 
  Jung Dae Hyun Regular Member
• 
  Bang Yong Guk Regular Member
• 
  Yoon San Ha Regular Member
• 
  Rocky Regular Member
• 
  Moon Bin Regular Member
• 
  Cha Eun Woo Regular Member
• 
  Jin Jin Regular Member
• 
  MJ Regular Member
• 
  Cheng Xiao Regular Member

Support Role

• 
  Rui Support Role

Unknown

• 
  Bang Min Soo Unknown
• 
  Jang Se Bin Unknown