Kupets was a member of the 2004 U.S. Olympic Team and helped the U.S. squad to a silver medal. At the 2004 Olympic Games in Athens, Greece, she also won the uneven bars bronze medal and was an all-around and balance beam finalist.
Kupets was a member of the 2003 U.S. World Championships Team, which won the first women’s team gold medal for the United States. She was inducted into the USA Gymnastics Hall of Fame with her 2003 teammates in 2008. Her gold medal on the uneven bars at the 2002 World Championships was the first for an American woman since Shannon Miller in 1993. Kupets was a two-time U.S. all-around champion, winning two consecutive titles (2003-04).
As an NCAA competitor for the University of Georgia, she helped UGA grab the team title four years in a row (2006-09) and won the NCAA all-around title three times (2006-07, 2009). With her three all-around and six individual event NCAA titles, Kupets set the NCAA record for most individual titles. She also was awarded the Honda Award as the top gymnast and the Honda-Broderick Cup as the nation’s top female collegiate athlete in 2009. When competing, she was coached by Kelli Hill of Hill’s Gymnastics.