Saw this video:
https://www.youtube.com/watch?v=9zrscSvTkcM
Some guy whos pretty good at running showing how his cadence lowers a lot and runs a lot more relaxed. How do you guys 'settle-in' during a race/run? I am trying to do it more often but I struggle to do so! Any help is appreciated as he didn't really show how to settle in...