Career
In 2012 he rode for a year with Vacansoleil–Distinguished Conduct Medal. Denifl began the cycling in 2001 in the "Team Bike Denifl" as a mountain biker. In 2003, he moved to the street in the "Team ÖAMTC Recheis Lattella". From 2004 he focused on road cycling.
In 2005, he was taken by Heiko Salzwedel in the T-Mobile Development Programme and included his first experience with the professional cyclists.
In 2006 he signed with his first UCI Continental team Vorarlberger, and from 2007 to 2009 he was part of Elk Haus–Simplon. In 2009, he rode as a trainee for Cervélo TestTeam, and rode with them as a full professional the next year.