sentences:  He was part of the Belgian team in the under-23 category at the 2005 UCI Road World Championships.Weylandt turned professional for in 2005, but this first professional season was marred by mononucleosis detected at the beginning of the year.Towards the end of the season, he won the , and finished fifth at the Memorial Rik Van Steenbergen event and the National Award, demonstrating his excellent sprinting qualities.