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
2015 Speedway Grand Prix of Great Britain Holder had initially top scored with 13 points during the qualifying rides, however Iversen passed him on the first bend of the final and stayed ahead to claim his first British Speedway Grand Prix victory. Despite finishing fourth, Woffinden extended his lead over Nicki Pedersen to 12 points in the race for the world title. 2015 Speedway Grand Prix of Great Britain The 2015 Adrian Flux British FIM Speedway Grand Prix was the fourth race of the 2015 Speedway Grand Prix season. It took place on 4 July at the Millennium Stadium in Cardiff, Wales. First reserve Peter Kildemand replaced