The world records in the movie are based on real world records that were set in 2017. When you are watching the film, you are not only watching a character under tremendous pressure attempting these records, but you're also witnessing real, astounding effort in real-time as actor-athlete Ashley Jerue is attempting to break them herself. Those are real reps and real weights.
This is the 3rd time Kim Rhodes played a woman named "Carrie". Carey Martin in both series Suite Life with the Characters Zack and Cody, then Carrie in Kung Fu in 2020 and Karrie in this project.