I did one sub-20 5k and know I will never get back to that again. It was pushing it then, and I’m happy I did it, but it crushed me for a week or two. Also, tha

I did one sub-20 5k and know I will never get back to that again. It was pushing it then, and I’m happy I did it, but it crushed me for a week or two. Also, that was treadmill time. I’ve come to learn that outdoor running is much more challenging for me. My best 5k outdoors is 22:46, and that’s good enough for me. :)