Dreyer was the first Alaska woman to play hockey at the Olympics, where she earned a bronze medal as a goaltender for Team USA at the 2006 Games in Italy. At the 2004 World Championships, she helped the Americans claim the silver medal and earned a spot the all-tournament team. A standout for the Chugiak High boys hockey team, Dreyer was a four-year starter at Brown University and helped the Bears to an NCAA runnerup finish in 2002.