Ramba uchinyora ndima iyi - Pamakwikwi eOlympic yeZhizha ya2004 muAthens, Wu akahwina mumitambo miviri bedzi ine zuva rimwe pakati. Akanyora FINA B-standard yekupinda nguva ye52.03 (100 m freestyle) uye 2:08.12 (200 m munhu mumwe nemumwe medley) kubva kuNational University Mitambo muTaipei. Pazuva rechishanu reMitambo, Wu akaisa makumi mashanu nemana mumamita zana akasununguka
. Akakunda Mark Chay wokuSingapore kuti atore nzvimbo yechinomwe mumakwikwi matatu nehafu yechipiri (0.25) mu52.58. Zuva rakatevera racho, Wu akakwanisa kudzokorora nzvimbo makumi mana nemana mumakwikwi emamita mazana maviri. Achishambira mumakwikwi maviri, Wu akachengetedza nzvimbo yechitanhatu pamusoro peTurkey's Orel Oral ne0.12 yechipiri muna 2:08.72.