The Olympics was a multi-sport event dating back to Earth's ancient Greece.
Irina Karlovassi won a silver medal in the decathlon at the Olympics in the 20th century. (ENT: "Cold Station 12")
The third host of the Dax symbiont, Emony Dax, was an Olympic gymnast. In 2375, Ezri Dax tried to remember being an Olympic athlete when playing against several Vulcans in a game of baseball. (DS9: "Take Me Out to the Holosuite")
Ensign Beckett Mariner had a personal holodeck program called "All-Nude Olympic Training Facility", which she showed D'Vana Tendi in 2380. (LD: "Second Contact")
In lines cut from the "Code of Honor", Lieutenant Tasha Yar compared Lutan to a "Federation Olympics Game hero." For the security chief, the hero had strength, daring, and dominance, all traits she believed were present in Lutan's character. [1]