AMA D38 Summer Grand Prix AMA D38 Summer Grand Prix is May 13 at Cahuilla Creek MX. The last race of the day is for the benefit of Fight for Ocotillo Wells. Click here for flyer. Map Unavailable Date/Time Date(s) - 05/13/2017All Day Categories Event admin-sdorc2017-04-26T17:44:00-07:00 Share This Story, Choose Your Platform! FacebookXRedditLinkedInTumblrPinterestVkEmail