I first noticed this drama on Netflix because I love Sooyoung and had wanted to watch one of her dramas for years at this point, but despite my initial interest, I had to admit when I watched the trailer and it clicked for me that it was literally about running, I expected a funny but shallow, fast-paced drama about dynamic, successful young people doing their thing, and I really wasn't in the mood for it so I pretty much gave up on it. However, one of my friend who had started it encouraged me to watch it and I am so glad she did! It was nothing like I thought it would be.
Run On is a beautiful, moving story about people growing and learning together, getting to know themselves and each other through empathy and vulnerability. It's about learning to love yourself and others, about learning to be together with other flawed people, and it is beautifully done. It's also very mundane, but I mean that in the best way possible. I mainly watched really intense, epic dramas lately (which I love too) and this was a breath of fresh air. And that is not to say that there aren't big emotions here, there certainly are, but they’re not over-the-top or clichéd. Every misunderstanding is used to further our understanding of the characters as well as the characters’ understanding of one another and their journey together. Every interaction feels natural and organic, and the drama avoids all of the stereotypical beats you might expect. It's very genuine and simply beautiful. I’ve rarely, if ever, seen a drama like this, it’s something I expect more from a small, indie movie, except here we have 16 episodes to witness the lives of these characters instead of an hour and a half..
I really hope to see other dramas go that route in the future.

(The rewatch value is relatively low because I don't judge whether I would watch it again, which I absolutely will, but whether there is a lot added to it during a rewatch, and it's just not really that kind of story and that's perfectly okay.)