IRDC sponsored six hour endurance race, at The Ridge Motorsports Park, Shelton, Wa. Sunday, April 6, 2014.
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.comPictures are available as digital downloads. Downloads are licensed for personal and club use. For commercial use contact me.