Road Racing World Championship Grand Prix 2006 provisional calendar The 2006 Road Racing World Championship Grand Prix provisional calendar is the following: March 26 – Jerez, Spain April 8 – Doha, Qatar ** April 23 – Istanbul, Turkey May 7 – Shanghai, China May 21 – Le Mans, France June 4 – Mugello, Italy June 11 – Catalunya, Spain June 24 – Assen, Netherlands ** July 2 – Sachsenring, Germany July 16 – Donington Park, Great Britain July 23 – Laguna Seca, United States * August 20 – Brno, Czech Republic September 10 – Sepang, Malaysia September 17 – Phillip Island, Australia September 24 – Motegi, Japan October 8 – Estoril, Portugal October 29 – Valencia, Spain *: Only MotoGP class **: Saturday