According to the Huffington Post the new Miss America, Mallory Hagan, is a CrossFitter. Her boyfriend was quoted as saying:
“She did not want to be rail-thin,” Maynard said. “She did it the right way: She did a lot of CrossFit, and she just ate a lot better.”
The full article (which also states that Jason Statham and Jessica Biel do CrossFit as well) can be found on the Huffington Post.