1971 Grand Prix motorcycle racing season Jack Findlay's victory at the 1971 Ulster Grand Prix not only marked the first victory for a Suzuki motorcycle in the premier 500cc class, but also the first-ever 500cc class victory for a motorcycle powered by a two stroke engine. Kawasaki won their first 500cc class victory at the season ending Spanish Grand Prix at Jarama when Dave Simmonds won the race after Agostini sat out the event after already winning the championship. The inaugural Austrian Grand Prix was held at the new high-speed Salzburgring. Points were awarded to the top ten finishers in each race. Only the best of
2009 Malaysian Grand Prix the race did not reach the required 75% distance (42 laps) for full points to be awarded, half-points were given instead, for only the fifth time in Formula One history and the first since the 1991 Australian Grand Prix. The race distance of was the fifth-shortest ever covered in a World Championship Grand Prix. Brawn GP became only the second constructor to win their first two World Championship Grands Prix since Alfa Romeo won the first two ever, in . After the Australian Grand Prix, Jenson Button led the Drivers' Championship by two points from Rubens Barrichello and by four