[1] He is set to compete in the 2025 USF Pro 2000 Championship driving for Pabst Racing.

[2] Costello previously competed in the 2024 USF2000 Championship with Jay Howard Driver Development.

[3] In 2023, Costello made the step up from karting to open-wheel, debuting in the 2023 Formula 4 United States Championship driving for Jay Howard Driver Development.

For 2024, Costello made the switch to the USF2000 Championship along with Jay Howard Driver Development.

[3] He would have an inconsistent first half of the season, but eventually got his first win the series in race one at Portland International Raceway.