I haven't seen it.
Heavy is a good description. That's how running feels to me as well.
You're right, there is cardio in it. It's not as aerobic as some sports and exercises, though. Unless you are into the dynamic movement side of it, which starts to get more like parkour. 😆 Not my strong suit either, but I'm working on it.
Hey. Small steps. Or upward hauls as it were :)
A friend of mine got into rock climbing BTW. She got so darned for over time 👀
Ripped!
I'd give it a go but not keen on heights. My hands ache if I even look down from a balcony. Actual physical ache.
Respect. It's a rad sport!
I'm not great with heights, either. I'm even worse with enclosed spaces,though. A climber friend invited me potholing once. 😱
Now I'm gonna have to Brave "potholing" and it's cleaning day and time.
Oh boy...
Oh gods no! Caves and crawling through tiny space. Um... just no! 😆