Playing running back during his sophomore year, Calhoun had his breakout performance against Gladewater High School on September 24, 2005.
At the 2008 Region 2-3A Meet, he qualified for the 100-meter dash finals after clocking a PR of 11.21 seconds in the prelims.
He also ran the fourth leg on the 4x100m relay squad, helping them earn a second-place finish at 42.86 seconds.
[5] Calhoun received his first scholarship offer after his break out performance against Gladewater during his sophomore year.
However, he waited until the end of his junior year for a decision, collecting offers by Florida, LSU, Alabama and Texas A&M, among others.