Loch's men's singles win in 2008 made him the youngest world champion ever at 18 years old.

At the 2008 FIL European Luge Championships in Cesana, Italy, he finished sixth in the men's singles event.

Loch is a member of the Club RC Berchtesgaden and currently lives at Schönau am Königssee though he was born in Sonneberg.

Bob- und Schlittenverband für Deutschland (BSD) Sport Director Thomas Schwab stated that Loch would compete at the opening Luge World Cup event at Igls, Austria on 29–30 November 2008, which Loch did.

[5] At the 2014 Winter Olympics in Sochi, Russia, Loch again won the gold medal in men's Singles, marking his second consecutive Olympic victory,[6] and he was also in the German team which won gold in the inaugural team relay.