USRRC Seniors Tour Feature at July 4-6 SOVREN Pacific Northwest Historics
The annual weekend of vintage racing on the July 4th holiday weekend always brings out the best of the Northwest vintage racers. The event always makes a very large donation to the local children's hospital. This year the Pacific Raceways paddock was filled with nearly 300 vintage racers. Porsche was the honored marque. Al Unser Sr. was the guest celebrity and the Sunday first feature was the USRRC Seniors Tour saluting SCCA's first pro road racing series which began in 1963. It was both a drivers championship in two classes, over and under two liter sports racing cars. There was also a manufacturers championship for GT and production sports cars Accordingly the USRRC Seniors Tour has four classes: SRO, SRU, GTO, GTU.

The USRRC Seniors Tour salutes SCCA's first pro series for Sports Racing Cars as it was originated from 1963-1965. This series included both GT/Production Sports Cars and Sports Racing Cars. After 1965 thru 1968, the series was a Sports Racing Car only series.

The USRRC Seniors Tour is a vintage racing series. The USRRC Seniors Tour 30 minute Sunday features are held at vintage racing weekends across North America every year. Eligible cars include pre-1966 Sports Racing and GT/Production Sports Cars. Both groups are divided into under and over two liter classes. A registry of original USRRC cars and vintage racing eligible cars is maintained. The features are part of the "America's Racing Heritage™" program organized by Victory Lane Motorsport Marketing.