Research suggests that exposure to microaggressions diminishes cognitive resources. Using "in vivo" experimental methodology, we found that engagement in a breathing exercise may mask the effects of cognitive depletion in Black college women who are exposed to racial microaggressions. Sixty-one Black college women were randomly assigned to one of four conditions in which a microaggressive script and coping suggestion were crossed. Participants who were exposed to microaggressions enacted by a white research assistant and asked to wait were more depleted than those who were not exposed to microaggressions at all. Participants who heard the microaggressive language and were prompted to cope were marginally less depleted than those who were exposed without prompting to engage in a coping exercise. These findings align with prior findings that racially hostile university environments may have harmful consequences on the cognitive functioning of Black women, but engagement in coping may diminish these effects. Implications, limitations, and future research are discussed.