Originally a gymnast, Roleder took up athletics at the age of 8 when he sports teacher Mr Grosser spotted her running speed and asked her to join his running club, where Roleder competed against children 1–2 years older than herself. She made her international debut at the 2007 European Junior Championships where she finished fourth. In 2011 she won her first international medal at the European Under 23 Championships in Ostrava.