 Rodrigo Eduardo Díaz Alarcón akaberekwa musi waMarch 12, 1984 ari pamudyandigere Guatemalan mutambi, uyo nyanzvi sprint freestyle zviitiko. Diaz akakodzera kumakwikwi evarume emamita 50 akasunungukapa 2004 Summer Olympics muAthens, nekuwana FINA B-standard ye23.60 kubva kuCentral American uye Mexican Championships muPanama City, Panama. Akadenha vamwe vanoshambira vanomwe muchikamu chechina, kusanganisira Gregory Arkhurst weCôte dIvoire, uyo akambokunda makwikwi eOlympic kaviri. Akamhanyira kunzvimbo yechitatu ne0.11 yechipiri shure kwemukundi José Mafio weUruguay, kunze kwenguva yake yekupinda ye23.69. Diaz akakundikana kuenda kumasemifinal, sezvo akaisa makumi mashanu nematatu kubva kune 86 vanoshambira mumatanho ekutanga. 