This is the fifth Rennsport Reunion (hence the 'V'). It is only held every 4 years or so and Porsche go all out for their fans and their customers bringing a century of history and a strong future message to the Monterey peninsula. Meanwhile 7 different groups race for honors over the 3 day weekend. It was called the Porsche Rennsport Reunion and was held September 25-27, 2015 at Mazda Raceway in Monterey CA.