How decent is a 6:30 minute all-out mile run time on a treadmill for a beginner?

Klaasvled02

I'm currently 6'2 (1.88m) and weigh about 170 pounds (77 kg). Because I never really went to the gym, I don't have any apparent muscle definition and I estimate my body fat percentage to be about 20%.

I live a rather sedentary lifestyle, and I already knew that a heart attack was the most likely cause of death, but it never really scared me until an acquaintance of mine had one recently. I decided to "train my heart" by going on a run once in a while. I was also curious how good my endurance was after years of sitting on my ass.

The thing is, I find running and cardio in general, extremely boring and cannot get myself to do it for an extended period of time. So as an alternative, I decided to focus on "all-out" runs over short distances. I started with a 1 mile all-out run and managed to do my first one in about 6 minutes and 30 seconds on the treadmill.

I am reading conflicting information on the internet. Some saying it is good, some saying anything above 5 minute is trash, not sure what to believe.

What do you guys think? Is my approach good? Should I keep going with this? Any tips?

How decent is a 6:30 minute all-out mile run time on a treadmill for a beginner?
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