SCCA Pro Racing announced the 2005 schedule for its SPEED World Challenge GT and Touring Car Championships, North America’s premier production car racing series, featuring 10 weekends and two all-new venues. Highlighting the schedule, which includes return visits to Infineon Raceway, Lime Rock Park , Mazda Raceway Laguna Seca, Mid-Ohio Sports Car Course, Portland International Raceway, Road America , Road Atlanta and Sebring International Raceway, will be first-time visits to temporary race circuits in Denver , Colo. and St. Petersburg , Fla. Regarded as the most relevant and top production car road racing series in the world, the SCCA SPEED World Challenge Championships are broken into two distinct sub-series that run separately from one another— SCCA SPEED GT and SCCA SPEED Touring Car. Each Championship is run in a 50-minute “sprint” race format, featuring recognizable cars, world-class drivers and standing starts.