All guests must register for the event on Motorsportsreg.com just as a driver does.
https://www.motorsportreg.com/events/pasr-solo-autocross-spring-2025-series-event-4-arizona-motorsports-park-672873
Registration opens tomorrow evening at 8 pm. You'll be asked to choose a registered driver that you are a guest of, if you don't have a driver you know registered, you can be a guest of Lance Hamilton.
Anyone that is not registered as a guest or does not have the Speedwaiver filled out, will not be let on site due to site capacity limits.
Guest registration is free, gates open at 630 am, driver's meeting at 8 am with runs starting shortly after. Probably finish competition runs between 1-2 pm and then there will be time only runs made.