Career
Matiaško debuted in the Biathlon World Cup in the relay in Brezno-Osrblie on 20 December 2002, and his first individual race was on 18 January 2003 in the 10 km sprint event in Ruhpolding. As of January 2015, he has earned one World Cup podium, in the mixed relay event at Kontiolahti in the 2011-2012 season. His best individual performance is a 6th-place finish in the individual at the 2010-2011 Pokljuka event.
His best overall finish in the World Cup was in 2010-2011, placing 73rd.
His best performance at a World Championships is 9th, in the 2008 relay. As an individual, his best performance is 32nd, in the 20 km individual in 2013.
He competed in the 2006, 2010 and 2010 Winter Olympics for Slovakia. His best individual performance was 38th, in the 2006 individual.
