During her senior season in leading Broomfield (Co.) High School to a state runner-up finish, Malkin registered a .603 batting average with 11 home runs, 35 RBIs and a 1.365 slugging percentage. In recognition of her season, Malkin was named the Colorado State Gatorade Player of the Year and 2016 5A Player of the Year. She also earned a spot on the Premier Girls Fastpitch (PGF) All-Mountain Region Team. A three-time all-state first teamer, Malkin helped Broomfield to two league titles and four state tournament appearances. She finished her career with a .495 batting average, 32 home runs and 127 RBIs.
Linnie is the daughter of John and Angela Malkin, and has a brother, Matthew. Malkin played travel ball with the Colorado Stars Gold team, and plans to enroll in the Walton College of Business at Arkansas.