Career
Since 2001, she holds a Bulgarian record in the 1500 m freestyle from the World Championships in Fukuoka, Japan (16:5553). Moralieva made her first Bulgarian team, as a 17-year-old, at the 2000 Summer Olympics in Sydney. There, she failed to advance to the succeeding round in any of her individual events, finishing thirty-fourth in the 200 m freestyle (2:0761), thirtieth in the 400 m freestyle (4:1910), and twentieth in the 800 m freestyle (8:5261).
At the 2004 Summer Olympics in Athens, Moralieva qualified only for two swimming events with five days in between.
She posted FINA B-standard entry times of 4:22.41 (400 m freestyle) and 8:55.15 (800 m freestyle) from the European Championships. On the second day of the Games, Moralieva placed thirty-sixth overall in the 400 m freestyle.
Swimming in heat one, she saved a fifth spot over Croatia"s Anita Galić, who finished behind her in last place by 0.17 of a second, with a time of 4:25.92. She rounded out a field to last place by a 5.17-second margin behind Ukraine"s Olga Beresnyeva in 9:03.13.