Kammala wannan jumla: A Wasannin Olympics na 2008 a Beijing, Gasco ya cancanci shiga tawagar 'yan wasan Argentina a gasar
tseren tseren maza ta hanyar karɓar gayyatar gayyata daga Union Cycliste Internationale (UCI), bisa ga mafi kyawun aikinsa a gasar zakarun duniya da Pan American. Ya zira kwallaye na ashirin da bakwai a cikin kilomita 4.8 mai ƙarfi, mai cin amana a cikin ƙasa tare da lokacin 2: 07:04.