Indoor Collegiate Personal Bests:
400-Meter Dash: 50.34
500-Meter Dash: 1:06.82
600-Yard Run: 1:15.21
(Indoor)Clocked a personal-best 1:28.39 en route to a fourth-place finish in the 600-yard run at the Sooner Invitational...Finished 22nd in the 500m dash with a personal-best 1:06.82 effort at the New Balance Invitational...Launched his career as at OU with a second-place effort in the 400m dash (50.34) at the J.D. Martin Invitational.
Petersen was part of a third-place team effort by Carroll High School at the 2011 UIL 5A Texas State Championships. He turned in a first-place finish with the 4x400-meter relay that posted a school-record time of 3:13.48. As a junior, he and the mile relay was third at the state meet. Petersen closed out his prep career with personal bests of 10.88 in the 100 meters, 21.87 at 200 meters and 48.62 in the 400 meters.
Son of the late John Petersen and Jana Petersen. He is the youngest of three children with siblings Jack and Tori.