JMF Motorsport
In 2021, Colin joined JMF Motorsports in the IMSA Prototype Challenge and in GT4 America for partial seasons in both. Helping build a strong reputation for the new team, Colin scored four overall race wins in GT4 America and was a consistent front-runner on pace in the Prototype Challenge. The #35 Mercedes finished third in the GT4 America Silver Championship despite only competing for half of the season. Colin was also mentioned as a global GT4 driver of the year by Sportscar365.