In December 2017, Donegan won the Mazda Road to Indy Shootout up against the likes of Liam Lawson, giving him $200,000 to race in the 2018 U.S. F2000 National Championship.

[1] He revealed in an interview in mid-2022 that the decision to compete in the championship was "very last minute" and that he "wasn’t prepared and was well over the weight limit".

After the 2013 Ginetta Junior Championship, Donegan took a 3 year sabbatical from racing to study business at Trinity College Dublin.

[2] In an interview on 16 May 2022, Donegan revealed intentions for the team to field a third car in the Formula Regional European Championship before the end of the 2022 season.

[8] For the 2023 season, the team signed Macéo Capietto, Adam Fitzgerald and Santiago Ramos.