Carestam carded a 211 five-under-par at the National Preview held at Boulder Creek Golf Course in Boulder City, Nev. As a result, the junior finished tied for 20th in a field of 94 competitors. Over the sequence of three rounds, he navigated the 7,421-yard par-72 course by tallying scores of 70, 72, and 69. He parred 33 of 54 holes while also recording 11 birdies and two eagles. Carestam led the Blazers as they earned a 12th-place finish.