 She has been a member of the United States women's national field hockey team since 2005 and has 37 international caps.Prior to that, she and played on the junior squads in 2001 (under-18), 2002 (under-19), 2004 and 2005 (under-21).Powley competed in the 2008 Summer Olympic Games in Beijing, China as a member of the United States Field Hockey Team.