Varettoni contested his first FIS races in December 1999. The first start in the European Cup followed in March 2001, but in the first few years he was only used in a few races. He achieved his first major success at the 2004 Junior World Championships , where he won the silver medal in the downhill. From the 2005/06 season he regularly competed in the European Cup and achieved fifth place in the Super-G ranking with several placements among the top five. The following season he made it onto the podium for the first time in the Tignes Super-G and finished fifth in the downhill and sixth in the Super-G.
From the 2006/07 season Varettoni also started in the World Cup , he won his first points on March 10, 2007 in the downhill from Kvitfjell with 29th place. In the 2007/08 season he reached on December 29, 2007 with 18th place in the downhill von Bormio his best World Cup result for the next five years, in the Super-G of Kitzbühel he came in 23rd. On February 29, 2008 Varettoni fell on the downhill from Kvitfjell and suffered serious knee injuries. In the rest of the winter as well as in the entire following season 2008/09 he could not contest any races.
After his injury break, Varettoni was again mainly used in the European Cup. He reached three top 10 results in the winter of 2009/10 , but in the next season 2010/11 he did not get beyond a 20th place. In February 2012 he achieved his first European Cup victory in the Super-G in Sarntal / Reinswald . With another podium in La Thuile , he finished fifth in the Super-G classification of the 2011/12 season .
In the World Cup, Varettoni came after his injury break initially only in December 2009 and December 2010 to a total of four missions in which he remained without points. After almost two years out of the World Cup, he started again in the World Cup races in Val Gardena in December 2012 , where he surprisingly came ninth in the downhill with start number 51. He achieved the best World Cup result of his career so far on February 28, 2015 with 4th place in the downhill from Garmisch-Partenkirchen .
In March 2016, Varettoni announced the end of his career.
Italy
