Regal was born on 9 February 1992 in Takapuna, a suburb of North Shore.[2][3] Aged 5, she joined the Red Beach Surf Life Saving & Squash Club on the Hibiscus Coast north of Auckland, where she later competed in surf competition. By age 14, she had qualified as a life guard.[4] She has won numerous titles at the New Zealand Surf Life Saving Championships.[4]