Tachakittiranan made her first Thai team, as a 17-year-old teen, at the 2000 Summer Olympics in Sydney. <unk> <unk> <unk> <unk> <unk>
50 m freestyle (27.31), 30th in the 200 m freestyle (2:05.88), and 39th each in the 100 m freestyle (58.69) and 400 m freestyle (4:29.28).