I followed track and field for many years, and still pay a little attention to it. Marty Liquori and Jim Ryun were childhood heroes of mine.
There are finishing kicks (and I love these)
And then there are comebacks.
Hunter has gone under 3:57 for the mile indoors and under 8 minutes for the 3000. He might figure prominently for the 2020, 2024, and 2028 Olympics. (Even though YouTube is allowing an embed, the video has disappeared. If it happens again, the link is https://www.youtube.com/watch?v=eIg9kXIvNt0)