I tend to go for guys of any race, not just for sex but actual relationships as well (have had white, black, Middle Eastern, and Portugese boyfriends). I admit I am not much into Asians, just a preference, don't care if I'm accused of racism for saying it; I am just generally not attracted to them (though one of my hottest fuck buddies was a mixed race Asian/Caucasian daddy bear). I really get excited when sucking off chubby, uncut Latino guys (I'm a raunchy pig bottom, so bonus points if they are ripe/musky under their foreskin, or if I can taste another bottom's ass on their cock), no idea why, just really turns me on.
I am very pale, and slender, and I have had MANY black guys do the reverse of what is being discussed here (meaning they kind of fetishize the fact that they are getting to raw fuck/Dominate a VERY fair-skinned white guy). I can't count how many times I've heard stuff like "I love fucking WHITE boi-pussy" or "nothing better than breeding a WHITE cumdump" or "I love using nasty WHITE bitches like you" and other stuff like that from black tops, being asked if I like giving my holes up to a (N-word), does my father know I take (N-word) dick, and so forth.
I grew up in a very conservative/redneck part of the USA, so when I first got out into the world black guys and latino guys were a a bit exciting and even taboo to me. But that faded after my first few encounters.
I have a thing for bears and daddies, and I have noticed that guys 40+ tend to pointedly ask if I am "willing" to take black cock while they watch (usually after discussing the fact I am a cumslut and prefer a boyfriend/Daddy who likes seeing other men breed me), as if it is something taboo (more than one guy has immediately asked if I would take a dog or horse cock after I said yes to the question of taking black cock, as if interracial sex is on par with beastiality as far as being kinky or taboo). So I think interracial tends to be viewed as kinky/taboo more by the older crowd, and no different from same-race couplings by younger guys. Where a man was born/grew up is probably a huge factor too.