Olympic gold medalist Nikki Stone overcame an ailing back, 60-degree weather and soft snow conditions to win her fourth U.S. aerials title.
But Olympic men's champion Eric Bergoust sputtered, and Matt Chojnacki collected his first overall U.S. Freestyle Championships crown.
"Yeah, my first title. Actually, it's the first time I've landed two jumps at nationals," Chojnacki, another 1998 Olympian, said after receiving 235.97 points for the win the title.
Bergoust was silver medalist with 213.85 at Sugarloaf-USA resort.
For the women, Stone finished with 182.13 points. Kelly Hilliman was second with 145.13.