In 2005, Limbach won a gold medal in the individual and the team events of the Junior World Championships in Linz. The same year, he climbed his first podium in the Fencing World Cup with a victory in Athens and he joined the national senior team. At the 2005 European Championships, he reached the quarter-finals. At the 2007 World Fencing Championships, he won the bronze medal after losing to Italy's Aldo Montano.