<prompt> Ramba uchinyora ndima iyi - Rojas akabudirira kekutanga mumakwikwi ekusvetuka mu2011 South American Junior Championships, kwaakakunda pakusvetuka pakakwirira. Nekuda kwekukunda uku, akagamuchira shangu dzake dzekutanga dze spike, dzakapihwa kwaari naMarco Oviedo weVenezuela Athletics Federation FVA mushure mekunge Velásquez akadenha FVA kuti imutsigire kana akahwina. Iye akabva akundwa pa2012 makwikwi, achibata chechina chete, asi akaita zvirinani mumakwikwi epamusoro gore iro, achisvetuka kuti atore wechitanhatu paIbero-American Championships  <response>: uye kuwana menduru yebronze paSouth American Under-23 Championships. 