The TV program you are referring to is called "K-Pop Star Olympics". It is a reality show that has been airing since 2021. It features K-Pop idols competing in a variety of sports, such as running, swimming, and basketball.
The name of the TV program in which many K-Pop idols compete in multi-sport events is called "Idol Star Athletics Championships." This program is produced and broadcast by MBC and is held biannually. It is a popular show among K-Pop fans who get to see their favorite idols show off their athleticism and sportsmanship in events like relay races, archery, and wrestling. The program has been on air since 2010 and has become a tradition in the K-Pop industry.