1983 Grand Prix motorcycle racing season championship. In a fitting end to a successful career, Roberts won his last-ever Grand Prix race, however Spencer was able to secure second place to claim the world championship. The two riders dominated the season with each claiming six victories and six pole positions in the 12 race series. The following Grands Prix were scheduled to take place in 1983: Points are awarded to the top ten finishers. A rider has to finish the race to earn points. 1983 Grand Prix motorcycle racing season The 1983 Grand Prix motorcycle racing season was the 35th F.I.M. Road racing World Championship season.
2005 Speedway Grand Prix being the Great Final), and all 16 received a constant amount of points for a given place in a tournament (irrespective of how many points they had earned). For the 2005 season, there were 15 permanent riders, joined at each Grand Prix by one wild card. They were, in rider number order: Result: Europe • Sweden • Slovenia • Great Britain • Copenhagen • Denmark • Scandinavia • Poland • Italy 2005 Speedway Grand Prix The 2005 Speedway Grand Prix season is the 11th season in the Speedway Grand Prix era and is used to determine the Speedway World Champion.