. 3 4 ) ▁and ▁ 2 0 0 ▁m ▁individual ▁med ley ▁( 2 : 0 1 . 0 3 ), ▁both ▁from ▁the ▁national ▁champion ships ▁in ▁Ros ario . ▁ ▁Rod rig uez ▁qualified ▁for ▁the ▁men ' s ▁ 2 0 0 ▁m ▁but ter fly ▁at ▁the ▁ 2 0 0 4 ▁Summer ▁Olympics ▁in ▁Ath ens , ▁by ▁posting ▁a ▁F IN A ▁B - standard ▁entry ▁time ▁of ▁ 2 : 0 3 . 7 7 ▁from ▁the ▁Latin ▁Cup ▁in ▁Ser ra val le , ▁San ▁Mar ino . ▁He ▁to pped ▁the ▁first ▁heat ▁by ▁a ▁ 1 . 6 0 - second ▁margin ▁over ▁Indones ia ' s ▁Don ny ▁Ut omo , ▁outside ▁his ▁entry ▁time ▁of ▁ 2 : 0 4 . 0 1 . ▁Rod rig uez ▁failed ▁to ▁advance ▁into ▁the ▁semif inals , ▁as ▁he ▁placed ▁twenty - n inth ▁overall ▁in ▁the ▁pre lim in aries . ▁ ▁In ▁ 2 0 0 5 , ▁Rod rig uez ▁lower ed ▁his ▁national ▁record ▁to ▁ 2 : 0 2 . 2 6 ▁at ▁the ▁Argentina ▁Long ▁Cour se ▁Championships ▁in ▁Buenos ▁Aires . ▁He ▁also ▁sought ▁his ▁bid ▁for ▁the ▁ 2 0 0 8 ▁Summer ▁Olympics ▁in ▁Be ij ing , ▁until ▁his ▁slot ▁was ▁awarded ▁instead ▁to ▁And rés ▁José ▁González , ▁who ▁posted ▁an ▁entry ▁time ▁of ▁ 2 : 0 0 . 8 2 . ▁Gast on ▁Rod rig uez ▁won ▁ 4