Registration closed April 19, 2015 11:59 PM at 2015-04-19T21:59:00-0700 Registration ends April 19, 2015 11:59 PM at 2015-04-19T21:59:00-0700 Registration opens February 3, 2015 12:00 AM at 2015-02-02T22:00:00-0800 Registration runs from February 3, 2015 12:00 AM to April 19, 2015 11:59 PM
Please be sure you meet all the requirements prior to signing up and arriving at the track.
You can find additional information here regarding rules and requirements: