Many 'Running Man' viewers were expecting world-renowned soccer player, Park Ji Sung to make a physical appearance on today's broadcast. However, Park was only featured digitally in the beginning and made a very short appearance at the end. Instead two idol groups appeared on the show, SISTAR and MBLAQ.

On the May 20th broadcast, the Running Man members were missioned to 'find Park Ji Sung', the 9th running man. During the process, the members were directed to find the 9th running man in a school library. Having their feets tied together as a 7-member group, the team had a difficult time moving around.

To the surprise of the running man members, SISTAR made appeared and one of whom was designated 'the 9th running woman'. After a tough struggle to eliminate SISTAR, the members finally caught the last member Bora towards the end of the segment.

Check out SISTAR's segment below!


Source + Photos: TV Report via Nate