After months of speculation and criticism about the host site, the world on Saturday finally turned its full attention to the actual athletic portion of 2014 Winter Olympics.
Though some events had already gotten a running start, competition in Sochi began in earnest in the wake of Friday night's opening ceremony, with medal rounds in men's slopestyle, 10 km sprint biathlon, women's moguls and speed skating, among others.
Some dreams were realized, while others were dashed.
As always, there were a few shockers along the way.
Here's a look at the biggest surprises during the first full day of events.