Ugh, 'Once a Runner' is a novel, not a training guide. If you want practical advice, try '80/20 Running' by Matt Fitzgerald. It's not perfect, but it's better than some fictional story.
Beat your own times? That's cute. I do speed workouts 'cause it's the only way to get faster, duh.
Good luck getting her into running, they never listen at that age
Just go run, don't overthink it.
Yeah, and who doesn't love a good clickbait title.