6 Hours on the Ridge 2016 IRDC sponsored six hour endurance race, at The Ridge Motorsports Park, Shelton, Wa. Sunday, April 17,2016.
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 not available as digital downloads for this gallery. Pictures are licensed for personal and club use and can be made available. For more information contact me.
