International Race Drivers Club (IRDC) Thunder on the Ridge. These pictures are from Sunday, September 17, 2017. Race held at The Ridge Motorsports Park, Shelton, WA.
IRDC was founded in 1970 and is the western Washington area member club of the International Conference of Sports Car Clubs (ICSCC). http://www.irdc-racing.com
Pictures are available as digital downloads for this gallery by contacting me. Pictures are licensed for personal and club use and can be made available.
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