Invasor won the first leg of the Uruguayan Triple Crown, the one mile Gran Premio Polla de Potrillos run on September 10, by 5¾ lengths under heavy rain on a muddy track. One month later, on October 9, he won the 2000 m (1¼ mile) Gran Premio Jockey Club by 3½ lengths, and then completed the sweep, winning the Gran Premio Nacional by 6½ lengths. In all three races, Potri Flash came second. With this sweep, Invasor became a favorite of the public, and a favorite to win Uruguay's most important race, the championship Gran Premio Internacional José Pedro Ramírez, run every January 6 in Maroñas.