He made his World Cup debut in March 2008 in Planica, but only has one finish in an individual competition; in February 2009 in Klingenthal.
Härtull's best World Cup finish was a 43rd in the 10 km Gundersen event at Klingenthal in February 2009.
From 1949-1990, Klingenthal was home to the Klingenthaler Harmonikawerke, a state-owned company that was the main producer of accordions, harmonicas, and electronic instruments in East Germany.
He was the second son of the wind instrument maker Ernst Moritz Glier (1834–1896) from Saxony (Klingenthal), who emigrated to the Russian Empire and married Józefa (Josephine) Korczak (1849–1935), the daughter of his master, from Warsaw, Poland.
His best individual result was in 2013 when he finished 2nd at Klingenthal.
In the mid-1990s, the remaining section of the line, which connected Reichenbach and Zwickau to Adorf and Klingenthal, was selected by the state of Saxony as a pilot project for the revitalisation of endangered branch lines.
Deckert represented Klingenthal at the 1980 Winter Olympics in Lake Placid, New York winning a silver medal in the normal hill competition (Tied with Hirokazu Yagi of Japan.).
2009-10 Trofimov advanced into the Russian World Cup team and competed in Willingen and Klingenthal.