In his final season in 2022, he rushed for 1,643 yards and 10 TDs that culminated with him winning the Jon Cornish Trophy.

Brown originally attended the London South Collegiate Institute with his identical twin Sydney Brown, where they both played until they relocated from Canada to Florida as juniors in high school and attended Saint Stephen's Episcopal School in Bradenton, Florida.

[2] In October 2017, Brown verbally committed to play college football at Western Michigan University.

[2] In early 2019, Western Michigan's two freshmen stars, Brown and freshman receiver Jayden Reed, entered the NCAA transfer portal.

Having him come here has been like having a piece of home here in Illinois"[6] Brown's application for immediate eligibility was initially denied, but granted on appeal in mid-October 2019.

[2] During the COVID shutdown, Brown and brother Sydney returned to Canada and stayed with their grandmother, converting the garage into a gym.

[15] Against Indiana on September 2, he rushed for 199 yards and was selected as the first winner of the Doak Walker National Running Back of the Week award.

[31] Brown began the 2024 season as the second running back on the depth chart behind Zack Moss, as well as the team's starting kickoff returner.

He had his first career start against the New York Giants in Week 6, in which he fumbled in the final two minutes of the game, though a failed recovery by Jason Pinnock led to the ball being pushed out of bounds.