Jack Dahlgren - :44.92 (2017)
Reese Hodgins - :45.72L (2021)
Lucas Becker - :46.42 (2023)
Ryan Druce - :46.44 (2019)
Evan Bock - :47.38 (2021)
Isidore Warain - :47.55 (2025)
Sam Brennan - :48.42 (2019)
Casey Parker - :48.98 (2024)
Miguel Francois - :49.12 (2022)
Max Taylor - :49.24 (2019)
Izyndro Warain - :50.29 (2025)
William Currie - :50.87 (2023)
Daniel Uvera - :51.68 (2025)
Owen Larson - :53.12 (2025)