1981 Grand Prix motorcycle racing season developed in the 1950s, to aluminium frames featuring large, twin beams as first pioneered by Spanish constructor, Antonio Cobas. The following Grands Prix were scheduled to take place in 1981: Points are awarded to the top ten finishers. A rider has to finish the race to earn points. 1981 Grand Prix motorcycle racing season The 1981 Grand Prix motorcycle racing season was the 33rd F.I.M. Road Racing World Championship season. Suzuki riders Marco Lucchinelli and Randy Mamola battled it out to the final race of the season with the Italian rider claiming the crown and Mamola finishing runner-up for the
2015 Indy Grand Prix of Louisiana entrant points standings from the previous race; the Grand Prix of St. Petersburg. Points include 1 point for leading at least 1 lap during a race, an additional 2 points for leading the most race laps, and 1 point for Pole Position. 2015 Indy Grand Prix of Louisiana The 2015 Indy Grand Prix of Louisiana was the second round of the 2015 IndyCar Series season, and the race took place on April 12 in New Orleans, Louisiana, at the NOLA Motorsports Park. The race was won by James Hinchcliffe for Schmidt Peterson Motorsports. Hélio Castroneves finishing second for Team Penske.