I am wondering why don't the raceway, and the mini games have their own door in lionsarch? Instead they are hidden behind NPC dialogue. At first I didn't realise this content even exists and thought all race achievement had something do to with the one in the labyrinth.
I encountered a similar problem with the festival collection achievements, that are located under collection instead of the festival tab. I learned about them by reading a third party Halloween guide. Why aren't they for example in the lunatic wardrobe part of the festival achievement section?
I would encourage the devs to change that for next year, because I feel I might not be the only one unintentionally missing some of the Halloween content.