So racist is defined as:

a person who believes in racism, the doctrine that a certain human race is superior to any or all others.

Racism is defined as:

Racism is the belief that inherent different traits in human racial groups justify discrimination.

Given these definitions unless this group excludes people not of the African American decent don't think it would be racist.

But I wonder why you are not so upset about these groups....

Moms for Mitt and Mormans for Mitt

Using your logic Moms for Mitt would be sexist and Mormans for Mitt would violate your 1st amdement rights.