He won the FIS Ski Flying World Championships 1986 in Bad Mitterndorf, the 1987 FIS Nordic World Ski Championships in Oberstdorf with gold in the individual large hill and bronze in the team large hill events.

[1] Felder finished his World Cup career with victory on 29 March 1992 when he won the ski jumping competition in Planica, Slovenia.

[4][5] On the next day he landed at 191 metres (627 ft) and only tied his personal best, as this jump was achieved in the repeated third round, after and because of the world record by Piotr Fijas.

[6] In 1995 Felder replaced Heinz Koch as the head coach of Austrian ski jumping team.

In the following season he helped Goldberger win bronze medal during the FIS Nordic World Ski Championships 1997 in Trondheim.