The 2005 Grand Prix motorcycle racing season was the 57th F.I.M. Road racing World Championship season. 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.

Season summary

MotoGP class

The MotoGP championship was won by Valentino Rossi on a Yamaha. It was a season which featured a lot of dramatic races including four rain-affected races in Portugal, China, France and Great Britain. It also saw the domination of Rossi with a total of 16 podiums out of 17 races, out of which 11 of them were wins. He defeated Marco Melandri by a distant 147 points in the championship.

250cc class

Daniel Pedrosa won his second consecutive 250cc title on a Honda. Reigning 125cc champion Andrea Dovizioso became the rookie of the year.

125cc class

The 125cc title was won by Thomas Lüthi on a Honda. He won the World championship dramatically, when Mika Kallio's teammate Gábor Talmácsi overtook Kallio at the last corner in Qatar. Kallio would have got five points more, and then the points total would be 242–242, but Kallio would have won the title with more wins (4-5).

2005 Grand Prix season calendar

On 20 August 2004, the FIM released the initial 2005 calendar. In it, the South African and Rio Grand Prix were still on the calendar. On 10 October 2004, the FIM confirmed the 2005 calendar. 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 Malaysian GP was also moved from 9 October to 11 September. On 22 December 2004, changes were made to the calendar. Multiple dates were altered: the date of the Italian GP was moved from 29 May to 5 June, the Catalan GP from 5 to 12 June, the British GP from 19 June to 24 July, the German GP from 24 to 31 July and the Malaysian GP from 11 to 25 September. The Rio GP was also still subject to confirmation. On 18 February 2005, more changes were made. Because no contract was signed for the Rio GP, the round was dropped and the Turkish GP was added instead. The date of the Portuguese GP was moved from 30 October to 17 April as well. By this time, the race was also subject to confirmation. The following Grands Prix were scheduled to take place in 2005:

Calendar changes

Regulation changes

The following changes are made to the regulation for the 2005 season:

Sporting regulations

• at any circuit included on the calendar of the current year after the date that is fourteen days prior to the start of the first race of the season.
• at any circuit included on the calendar of the current year during "breaks". A break is defined as 'two consecutive weekends where events are not scheduled'. The period of the break begins from 09:00 on the Wednesday after the last grand prix until the following grand prix. The following exceptions will apply to the rule:
• Free practice or qualifying practice at the event.
• Practice at any circuit after the event at that circuit except during a break.
• Official practice sessions organised by the IRTA.
• Practice by contracted teams and their designated riders who profit from a Participation Agreement to participate in the 125cc and 250cc classes, at the two testing circuits appointed by each team which may take place up to fourteen days before the scheduled race for the circuit, except for when there is a break. This rule was additionally added on the 30th of August 2005:

Technical regulations

2005 Grand Prix season results

Participants

MotoGP participants

250cc participants

125cc participants

Standings

MotoGP standings

Points were awarded to the top fifteen finishers. A rider had to finish the race to earn points.

Riders' standings

Constructors' standings

Teams' standings

250cc standings

Points were awarded to the top fifteen finishers. A rider had to finish the race to earn points.

Riders' standings

Constructors' standings

125cc standings

Points were awarded to the top fifteen finishers. A rider had to finish the race to earn points.

Riders' standings

Constructors' standings

F

Sources