He increased his scoring pace in the postseason, notching 21 points in 20 appearances to help the Knights reach the J. Ross Robertson Cup finals against the Peterborough Petes.
[10] Cowan led the tournament in scoring with eight points, as a result winning the Ed Chynoweth Trophy, and was also named to the Memorial Cup All-Star Team.
[11] On December 4th, 2024, Cowan tied the OHL point-streak with Doug Gilmour, by getting an assist on a goal by Sam O'Reilly in a 3-0 win against Owen Sound Attack.
On December 6th, 2024, Cowan set the OHL point-streak record for 56 straight games by getting a goal in a 5-3 loss against the Oshawa Generals, where he was also injured.
Cowan grew up cheering for the Toronto Maple Leafs and was particularly fond of star winger Mitch Marner, while Nazem Kadri was his favourite player.