 Wegelius raced in Italy for a succession of teams between 2000 and 2009.At Mapei he was part of a generation of young cyclists that included Fabian Cancellara, Luca Paolini, Dario Cioni, Rinaldo Nocentini, Filippo Pozzato, Leif Hoste, Bernhard Eisel, Allan Davis, and Michael Rogers.Wegelius took part in his first Grand Tour, Mapei's last, at the 2002 Vuelta a España.