Roberto Piqueras made his international debut in the IBU Cup race in Ridnaun in 2012 and finished 107th in a sprint. In Martell , he achieved a double-digit position for the first time in his second race as 99th. The 2013 Summer Biathlon World Championships in Forni Avoltri became the first international championship . Piqueras was 39th of the sprint, but did not participate in the pursuit race based on it.
Nationally, Piqueras was runner-up in the juniors in 2011, and in 2012 he won the title of cross-country running - summer biathlon sprint for men.