Career
Ham is a two-time finalist in both 100 and 200 m backstroke at the 2010 Asian Games in Guangzhou, China. Ham qualified for the women"s 200 m backstroke at the 2012 Summer Olympics in London, by eclipsing a FINA B-standard entry time of 2:14.88 from the FINA World Championships in Shanghai, China. Ham challenged four other swimmers on the first heat, including two-time Olympian Carolina Colorado of Colombia.
She raced to third place by more than a second behind Colorado, outside her entry time of 2:15.30.
Ham failed to advance into the semifinals, as she placed thirty-first overall in the preliminary heats.