I just saw A Day in the Life with Misty Copeland, an African American dancer with American Ballet Theater who is passionate about getting people of color dancing in ballet. She's so beautiful to watch, and her outreach is really inspirational.
I'm also a fan of the "Five Moons Ballerinas," American Indian dancers from Oklahoma who impacted ballet in important ways. Yvonne Chouteau, a member of the Shawnee tribe, danced with Ballet Russe and founded the first nationally accredited dance program at the University of Oklahoma as well as Oklahoma City Ballet.
Maria Tallchief danced for the Ballet Russe de Monte Carlo and the New York City Ballet, in works by her husband, George Balanchine.