Personal
- Parents are Robert and Joanna Mantz
- His father, Robert, wrestled at Weber State University
- Born in Logan, Utah
- Has three siblings (Garrett, Clarissa and Nathan)
- Major: Mechanical Engineering
- Mission: Ghana Accra West
- Enjoys hiking and playing the guitar
- Also recruited by Furman, Oklahoma State, Princeton, Stanford and Utah State
Before BYU
- Three-time Footlocker All-American
- 2015 USA Junior World Cross Country Championships team member
- 4.0 in high school