 Complete the following phrase:  Pak managed only sixth at the 2009 Pyongyang Marathon but he was entered into the mens marathon at the 2009 World Championships in Athletics and came 43rd with a time of 2:21:12. He won his first international medal at the East Asian Games that year, taking the half marathon silver. He had a strong run at the 2010 Pyongyang race, running 2:14:09  his fastest time since 2007. However, he had to settle for second place behind surprise winner Ivan Babaryka. He ran at the 