 Martínez akamiririra nyika yake yePuerto Rico kumitambo yeOlympics ya2008 muBeijing, kwaakakwikwidza mumakwikwi evarume emamita mazana mana.. Akamhanya muchikamu chechitanhatu achipikisana nevamwe vatambi vanomwe, kusanganisira Renny Quow wokuTrinidad neTobago uye Michael Mathieu wokuBahamas. Akapedza nhangemutange ari pachinzvimbo chechinomwe ne gumi nematanhatu ezana rechipiri 0.16 kumashure kweGrenadas Joel Phillip, kunze kwenguva yake yakanakisa yemasekondi 46.46. Martínez, zvisinei, akakundikana kuenda kumasemi-fainari, sezvo akaiswa makumi mana nemana, uye akaiswa pasi pasi pematatu anomanikidzwa kumativi anotevera. 