From a press release issued by the FIM:

Superbike & Supersport World Championships

Final calendar

The following changes were made to the 2005 calendar of the Superbike & Supersport World Championships. The round scheduled in Brno, Czech Republic, will take place on July 17 (instead of June 12). The round scheduled in Imola, Italy, will be held on October 2 (instead of September 25). The final calendar is the following:

February 26 Qatar Doha/Losail
April 3 Australia Phillip Island
April 24 Spain Valencia
May 8 Italy Monza
May 29 Great-Britain Silverstone
June 26 San Marino Misano
July 17 Czech Rep. Brno
August 7 Great-Britain Brands Hatch
September 4 Netherlands Assen
September 11 Germany Eurospeedway Lausitz
October 2 Italy Imola
October 9 France Magny-Cours

Note : A Superstock FIM Cup event will be organised at each round in Europe.