Yeah, 5k in 25 minutes is by no means an easy jog for most people, and places OP in the average race pace, according to
https://www.verywellfit.com/what-is-a-good-time-for-a-5k-291... (grain of salt, but they have more data than I do). Mind you, I interpret OP to mean that this is their current workout routine, after their dramatic weight loss and increase in fitness.
