Career
Kümmel competed at the 2006 and 2010 Winter Olympics, the 2006-2007, 2007-2008 Tour de Ski, the 2007, 2009 and 2011 FIS Nordic World Ski Championships. His best World Cup result is a 5th place from a sprint event in Otepää in 2008. His best World Championships result is a sixth place in the sprint in 2011, and his best Olympic result a 14th place in the sprint event in 2010.
Kümmel was born in Tartu and currently lives in Otepää.
His coach is Mati Alaver.