Years ago I happened to spend a couple of days with an ex racer. I proclaimed to him I can ride 10 miles in about 40 minutes and he changed the subject. I figured he didn't hear me or something so I mentioned it again. Once more he changed the subject. "why isn't this guy impressed with my stats" I wondered. After bugging him some more he finally told me that I was doing great on my way to getting even faster. He gave me good advice and a knockoff at the same time.
It didn't long after that for me to realise how slow I really was. I still feel silly just recalling that story.
While I do not know much about racing, I think you should carry on improving and perhaps one way to do that is to enter a race: it will give you a baseline from which you can excel.