Heath made her first appearance for the senior national team on January 18, 2008, against Finland in the Four Nations Tournament in China. She was named to the U.S. roster for 2008 Summer Olympics at the age of 20. She earned three caps during the tournament as the U.S. went on to win the gold medal. Heath was one of three college athletes who represented the U.S. at the 2008 Olympics. In 2008, Heath earned 17 caps and scored two goals. Her first international goal came against China at the 2008 Algarve Cup.
