no suggestions for a place to hold this--it might help if you share about how many people will be there though. We were in Louisville last July--what a fun place! Definitely I would recommend taking in the Louisville Slugger visitor center--great for all ages. The Churchill Downs museum was great too--but they may still be racing at that point in June--would need to check that out. Are most of you coming from other places? If so, if you will all be staying in a hotel, if you book the same hotel often they will make a meeting space available.