There was a video I watched years ago that had people run normal, the Naruto run.
Nonathletes were faster Naruto style, athletes were faster normal style.
They broke it down as if you're not used to "controlling" your body for performance, forcing yourself into a weird form forces you to focus more so you don't fall, so you get a bit more effort without realizing it.
The masks wear out over time. The rest of the lizard people don't like her and won't give her a new one.