▁the ▁ 2 0 0 0 ▁Summer ▁Olympics ▁in ▁Sydney . ▁Sw imming ▁in ▁heat ▁two ▁of ▁the ▁men ' s ▁ 2 0 0 ▁m ▁but ter fly , ▁he ▁ed ged ▁out ▁Th ailand ' s ▁D ul yar it ▁Ph u ang th ong ▁to ▁ear n ▁a ▁fourth ▁spot ▁and ▁thirty - six th ▁overall ▁by ▁ 0 . 4 8 ▁of ▁a ▁second ▁in ▁ 2 : 0 3 . 6 7 . ▁ ▁At ▁the ▁ 2 0 0 4 ▁Summer ▁Olympics ▁in ▁Ath ens , ▁Val div ies o ▁extended ▁his ▁program , ▁compet ing ▁in ▁two ▁individual ▁events . ▁He ▁achieved ▁a ▁F IN A ▁A - cut ▁of ▁ 2 : 0 0 . 0 3 ▁( 2 0 0 ▁m ▁but ter fly ) ▁from ▁the ▁USA ▁National ▁Championships ▁in ▁College ▁Park , ▁Maryland . ▁In ▁the ▁ 2 0 0 ▁m ▁but ter fly , ▁he ▁challeng ed ▁seven ▁other ▁sw imm ers ▁in ▁heat ▁four , ▁including ▁top ▁medal ▁favorite ▁Tak ashi ▁Yam am oto ▁of ▁Japan . ▁He ▁rounded ▁out ▁the ▁field ▁to ▁last ▁place ▁and ▁twenty - e ighth ▁overall ▁by ▁ 0 . 9 0 ▁of ▁a ▁second ▁behind ▁Hung ary ' s ▁D á vid ▁Kol oz ár ▁in ▁ 2 : 0 2 . 7 9 . ▁In ▁the ▁ 1 0 0 ▁m ▁but ter fly , ▁Val div ies o ▁placed ▁forty - se vent h ▁on ▁the ▁morning ' s ▁pre lim in