https://www.arxrallycross.com/news/2...n-oil2soil-car
14 year old in ARX(2)! They lowered the age limit to 14 this year so Gray Leadbetter can compete the whole season. That makes 4 ARX2 for round 1 with 7 supercars. Also ARX3 is a thing and will race at Mid Ohio (and I think most rounds) but no idea about the entry list size.