He won a bronze medal in the team sprint (with Dušan Kožíšek) at the 2007 FIS Nordic World Ski Championships in Sapporo.

Šperl's best individual finish at the FIS Nordic World Ski Championships was a sixth in the 50 km event at Oberstdorf in 2005.

)[6] His best finish at the Winter Olympics was 27th in the 50 km event at Turin in 2006.

Šperl has a total of eight individual victories at distances up to 15 km since 2002 in FIS races.

All results are sourced from the International Ski Federation (FIS).