Scherubl represented Austria at the 2012 Summer Olympics in London, where he qualified for the men's 4 × 200 m freestyle relay, along with his teammates Florian Janistyn, David Brandl, and double Olympic silver medalist Markus Rogan. Swimming the second leg, Scherubl recorded a split of 1:48.64, and the Austrian team went on to finish heat two in eighth place and sixteenth overall, for a total time of 7:17.94.