nln6pinto - If you Google "49th Annual Antique Nationals Drag Race" you will get a list of websites about the upcoming event and past events. The website
www.autoclubdragway.com has details about the May 11, 2019 event. Also, YouTube has many videos showing past races and the the types of cars that show up. You will get a good idea of the atmosphere from the videos.
I've been going since 2007 with my 40 Chevy/GMC. The bracket racing format is used. The morning is for time trials. The afternoon is for eliminations by time bracket.
It is really a great event and worth the trip from Az. Hope to see you there.