As a senior, he set the U.S. high school national record in the indoor 800 meters, with a time of 1:47.67 (since broken by Cooper Lutkenhaus in 2025).
[2][3] He competed at the 2018 IAAF World U20 Championships in Tampere, Finland, running 1:48.07 in the semifinals of the 800 meters.
[4] Originally intending to compete for the University of Oregon, Hoey turned pro after high school, signing with Adidas.
[5][6] On January 18, 2025, at the Quaker Invitational at the University of Pennsylvania, Hoey set a new American record in the short track 1000 meters, with a time of 2:14.48.
[5][7] On February 2, 2025, Hoey won the 1500 meters at the New Balance Grand Prix, in a new personal best of 3:33.66, beating Olympians Grant Fisher and Olli Hoare.