Alex Deibold of Manchester, Vt., won the bronze medal in men's snowboard cross, giving the U.S. 19 medals in the Sochi Olympics.
The race took place in slushy, soggy conditions. The winner was France's Pierre Vaultier with Russia's Nikolay Olyunin second.
Gold-medal favorite Nate Holland of the U.S. didn't make it out of the opening round of elimination after mistiming a jump.
The event was pushed back from Monday to Tuesday due to heavy fog.
The best American finish in the women's giant slalom was a fifth by 18-year old Mikaela Shiffrin.
She missed getting a medal by 0.23 seconds. Fellow American Julia Mancuso, the events gold medal winner eight years ago, skied out midway down the last slope in her final event in Russia.
The gold was grabbed by Slovenia's Tina Maze (MAH'-zeh), giving her two first-place finishes in Russia
She led the GS from start to finish and celebrated her win by doing a belly-flop onto the wet snow and pretending to swim the breaststroke.
For her part, Shiffrin says she learned from the experience and plans to be much improved by the next Olympics.
Defending gold medalist Billy Demong of Park City, Utah, finished a disappointing 31st in the Nordic combined large hill competition.
The best U.S. finish was 20th by Taylor Fletcher of Steamboat Springs, Colo. The winner and runnerup were from Norway.
The goalies for Wednesday's men's quarterfinal hockey games for the U.S. and Canada have been announced.
The Americans plan to start Jonathan Quick, not Ryan Miller, against either the Czech Republic or Slovakia.
The Canadians are going with Carey Price, not Roberto Luongo (loh-AHN'-goh), when they square off against either Switzerland or Latvia.
Quick started two games in the preliminary round, including the 3-2 shootout win over the host Russians. Price was also in net for two of Canada's first three games.
With the bronze by Deibold the U.S. remains tied with Russia for the overall lead in medals with 19.
Broken down the Russians have five gold, eight silver and six bronze while the American squad has five gold, four silver and 10 bronze medals.