Previews - Winter Olympics Day -3

J.R Celski attends a short-track press conference at the Main Press Centre in Sochi. (Matthew Stockman/Getty Photo) (Matthew Stockman / Getty Images / February 4, 2014)

When: Feb. 18, 21.

Best of the U.S.: World record-holder J.R. Celski lost just one race in the trials.

Best of the rest: Canada's Charles Hamelin won gold in 2010, is a two-time world champion in the 500 and ranked in the top three in all races this season.

U.S. chances to medal: Jordan Malone and Eddy Alvarez also skate.

Little-known fact: Celski and Alvarez met each other when they were about 5.