As an upper middle class runner, I can definitely agree with that statement. At times, I feel like my habits of running give me a little bit of an edge over my peers at some level.
Another HUGE factor is age. Rich people tend to be older. Older people can do endurance much easier than say, combat sports.
What a peculiar thing to say. You can get caught in a rip tide swimming in the sea, collapse from heat exhaustion while running, any number of things.
never worry about taking a kick to the temple
In MMA which I assume you are referencing the ref can stop the fight instantly and there’s always a fully equipped hospital a short drive away. It’s massively safer than an ultramarathon or a full triathlon and that’s even before you get to the self-navigating and self-supporting stuff.