 Alexis Rubalcaba akaberekwa musi wa9 Gunyana 1972 mutambi wetsiva akarega basa anobva kuCuba, uyo akakwikwidza muchikamu cheSuper Heavyweight. Akamirira nyika yake kaviri kumaOlympics ezhizha: muna 1996 kwaakatambura kurasikirwa kunotyisa kuna Paea Wolfgramm weTonga mumakwikwi ekupedzisira uye muna 2000. Chimwe chezvinhu zvikuru zvaakabudirira kuita mumutambo wetsiva weamateur kwaiva kuhwina menduru yegoridhe pa1999 Pan American Games muWinnipeg, Manitoba, Canada. Makore maviri akanga apfuura, paWorld Amateur Boxing Championships ya1997muBudapest, Hungary, akakunda menduru yesirivha. 