 Complete the following phrase:  Kim made her debut in the marathon in 2011, running at the Macau Marathon and finishing tenth with a time of 2:38:36 hours. Her run at the 2012 Pyongyang Marathon brought her up to the elite standard, as she won the race with a personal best of 2:30:41 hours. This run earned her a place on the North Korean team for the 2012 Summer Olympics, where she placed 74th overall in the 