Perla Beltrán was first runner-up in Miss World 2009.
Prior to competing in Nuestra Belleza México, Beltrán participated in Miss Earth Mexico in 2007 and placed first runner-up as Miss Air. A year later, 21-year-old Beltrán represented her native Sinaloa in her country's national pageant, Nuestra Belleza México 2008, held in Monterrey, Nuevo León on September 20.
She was named Nuestra Belleza Mundo México among thirty-two other contestants, gaining the right to compete in the 59th Miss World pageant held in Johannesburg, South Africa.
As the official representative of her country to the 2009 Miss World pageant, Beltrán won the Miss World Top Model fast-track event, enabling her to automatically advance to the semifinals. She had previously placed among the top twelve in the Beach Beauty event. Beltrán subsequently obtained the title of Miss World Americas and placed first runner-up to Miss World 2009, on December 12.