Career
At age seventeen, Ahn made her official debut for the 2004 Summer Olympics in Athens, where she competed in two pistol shooting events. She placed tenth out of forty-one shooters in the women"s 10 m air pistol, with a score of 382 points. Three days later, Ahn competed for her second event, 25 m pistol, where she was able to shoot 286 targets in the precision stage, and 291 in the rapid fire, for a total score of 577 points, finishing only in thirteenth place.
At the 2008 Summer Olympics in Beijing, Ahn qualified for the second time in the women"s 25 m pistol, along with her teammate Lee Ho-Lim.
She finished only in eleventh place by one point behind Japan"s Michiko Fukushima from the final attempt, for a total score of 581 points (288 in the precision stage and 293 in the rapid fire).