The season consisted out of 17 races for the MotoGP class and 16 for the 125cc and 250cc classes, beginning with the Spanish motorcycle Grand Prix on 10 April and ending with the Valencian Community motorcycle Grand Prix on 6 November.
[2][3][4] In it, the Rio Grand Prix won out over the South African round, initially being scheduled on the 17th of April.
The date of the Portuguese GP was moved from 30 October to 17 April as well.
The following Grands Prix were scheduled to take place in 2005:[8][9] The following changes are made to the regulation for the 2005 season:[12][13][14][15][16][17][18][19][20][21][22] The following exceptions will apply to the rule: This rule was additionally added on the 30th of August 2005: Points were awarded to the top fifteen finishers.
Bold – Pole positionItalics – Fastest lap Points were awarded to the top fifteen finishers.
Bold – Pole positionItalics – Fastest lap Points were awarded to the top fifteen finishers.