Larocca has competed in the FEI World Equestrian Games twice. He first competed in the 2006 FEI World Equestrian Games for both individual and team on his horse Svante; in individual he came in seventy-third, and he was part of the seventeenth-ranking team. He then competed in the 2010 FEI World Equestrian Games for both individual and team on his horse Con Air 7; in individual he came in forty-first, and he was part of the twenty-seventh-ranking team. Every time he was competing for Argentina.