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.