Not avaliable for Yanks apparently, even though it is conducted by Harvard. Go Figure. But still the test is very interesting. It's not worth trying to fiddle the test, since your results will become inconclusive -
answer truthfully and as fast as possible, and it'll come out pretty darn truthful!!
https://implicit.harvard.edu/implicit/
click the flag then proceed to the race IAT.
My results:
Your data suggest a strong automatic preference for Black People relative to White People
White 33 y/o male