Driving for Kevin Mills Racing he would compete in the Walter Hayes Trophy, where he finished 20th, and the Formula Ford Festival, where he collided with his sister in the semi-final heat.

[8] At the following round at the Silverstone Circuit, the Canadian would score his first podium in the series, profiting from a quick getaway at the start to overtake two competitors and closely battling Cian Shields for the victory in the final laps.

A then-best qualifying performance of 13th at Snetterton Circuit, which he described as "a fairly decent result",[12] would be cancelled out by a car failure which prevented Gilkes from starting Race 1.

Gilkes concluded his season in perfect fashion however, winning the final race of the campaign at Donington Park, having managed to lead from start to finish.

Gilkes would team up with Drivex for the 2023 season, driving in the newly formed Eurocup-3 series alongside Formula Nordic champion William Karlsson.