Good catch on the typo.
My run is as comfortable as I like. - Looks like it's ok.
6 [no obj] : to make a choice about what to do, have, etc.
▪ You can leave any time you like.▪ “What should we do now?” “Whatever you like!” [=whatever you want to do]▪ We can stay as long as you like. [=as long as you want to stay]▪ There are plenty of cookies, so take as many as you like.
I used "like" because it rymes with "sight".
You're right. The clip and the music are from the movie Charios of Fire, 《火的戰車》.
