Legendary UNC Field Hockey Coach Karen Shelton Announces Retirement Posted Dec 7, 2022 North Carolina's undefeated 2022 field hockey season will be the last for coach Karen Shelton. After 42 seasons and an NCAA-record 10 national championships, Shelton on Wednesday met with her team to announce her retirement. "I don't have the words for what it has meant to represent the University of North Carolina for the past 42 years," Shelton said. (GoHeels.com)