The fact that you are confident enough to say an entire race is unattractive to you is obviously prejudiced and borderline racist. Seems pretty obvious to me.
I mean, right? How is that not painfully obvious? You're saying if you were set up on a blind date and found out she was X race you'd be like, don't even bother?
I think this might be a semantics issue. It is racist to say "I don't find women from the middle east attractive." is it also racist to say "I find women from latin countries to be more attractive than women from middle eastern countries."?
To clarify, I am not saying an entire race is unattractive. If I was set up on a blind date with someone and they were cool I'd be attracted to them. I am more than a little confident I would get along with a date from any ethnic definition.
I have kind of always lumped it in with other traits you find appealing in a woman. I have friends who think Natalie Portman is smoking hot. I can acknowledge she is attractive (and it isn't like I would turn down the opportunity to go on a date with her) but I also don't think she is my type. All of us have probably explained to our friends/significant others in the past that we have a type in some form or fashion.
But that is where this more sensitive subject comes in. If a person's race is a part of "your type" is that racist? I know for awhile in college I ended up dating several KState coeds who were of Mexican heritage. I didn't meet or decide to date any of them based off of their race, but I began to think that women with Mexican heritage must be my type. I probably even put that in to daily conversation.
My hypothesis is that people may assume that potential partners from races they are unfamiliar with are not their type. But, given time and greater familiarity that can change.
The more interesting debate is on how someone should properly communicate if they have a preference. If you find one race more attractive than others that doesn't mean you think all other races are unattractive. You just have a clear preference.