Hailey “All Hail”Cowan

Hailey Cowan is an American mixed martial artist who competed in the UFC women’s bantamweight division under the nickname “All Hail.” The UFC lists her as not fighting as of September 23, 2026. Her final recorded UFC appearance was against Nina Milošević on August 1, 2026. Cowan entered the UFC after winning a split decision over Cláudia Leite on Dana White’s Contender Series in August 2022, following an earlier professional career that included competition in LFA and Invicta FC.

Cowan was born on February 12, 1992, in Hewitt, Texas, and is listed at 5 feet 8 inches. Before MMA, she competed as a collegiate acrobatics-and-tumbling athlete at Baylor University, where the UFC says she became a two-time All-American. She trains at Xtreme Couture in Las Vegas and is associated with a freestyle fighting style. Her UFC profile identifies head kicks, knees, head-and-arm chokes and kimuras among her preferred techniques, reflecting a versatile approach that blends athletic movement, striking and grappling.