Personal 
- Parents are Katrina and Thomas Appiah
 - Siblings are Thomas, Kristalynn and Michaela 
 - Major: Physiology & Developmental Biology with a minor in French
 - Personal Interests: Track and The Lord Of The Rings
 - Marissa is half Ghanaian
 - Received the Thomas S. Monson Presidential scholarship at BYU
 
Before BYU 
- 2013 Utah State Champion in high jump
 - Three-time Region Champion in the high jump
 - Was also a cheerleader at Woods Cross
 - National Merit Scholar
 - National Achievement Scholar
 - Nominee for National Presidential Scholarship program
 - Named an AP Scholar
 - Academic All-Region in track
 - Academic All-State in cheerleading
 
Stats
| Collegiate Personal Bests | 
|---|
| Mark/Time  | Event | Meet  | 
| 1.77m (5' 9.75") | High Jump  | 2018 Robison Invitational | 
| 14.68 (seconds) | 100m Hurdles | 2017 Utah State Mark Faldmo Invitational | 
| 8.99 (seconds) | 60m Hurdles  | 2017 Boise State Challenge |