John Hancock Financial today announced the Elite USA Team for the 117th running of the Boston Marathon on April 15, 2013. The strong U.S. team, recruited to compete with a deep international field, includes Ryan Hall, Meb Keflezighi, Abdi Abdirahman, Jason Hartmann, Fernando Cabada, Serena Burla, Stephanie Rothstein, and Alissa McKaig. The group joins previously announced Kara Goucher and Shalane Flanagan.