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 Slovenia only dropped one point in the entire meeting, finishing to Jason Doyle in heat 18. Overall, Woffinden extended his lead in the world title race to 25 points, with Hancock leapfrogging Pedersen into second place. 2015 Speedway Grand Prix of Slovenia The 2015 Mitas Slovenian FIM Speedway Grand Prix was the ninth race of the 2015 Speedway Grand Prix season. It took place on September 12 at the Matija Gubec Stadium in Krško, Slovenia. First reserve Peter Kildemand replaced Jarosław Hampel, who had injured himself during the 2015 Speedway World Cup. The Speedway Grand Prix Commission also nominated Aleksander Čonda