As fast as you would like. Listen to your body. Start off slow if you are a beginner and gradually build up. Join a running club and run with likewise people. The main thing is to enjoy it.
9:30
A 6-minute mile is fast and long for an average American human being.
Age only plays a small fraction on the running speed of a male. The important factor is how healthy they are.
7 minutes
well im 19 (and male) and today I did a mile in 6 minutes, bang on.
500,000
fast.
If your're talking about Quarter Horses, a good time is under 22 seconds. Sub 21 seconds is really rare, but has happened.
It depends on how fast you walk. If you walk at an average pace it should take 15-20 minutes.
10
This is a personal thing, you need to know how fast on average that you run. This is best done by averaging how long you run in say 5 or a 10 mile session and record the time.
They have an "average" speed. Definitely not as fast as a Quarter horse at the Quarter mile, nor as fast as a Thoroughbred at the 1-1.5 mile range nor as fast as an Arabian over long distances. But, know there are always exceptions to the "average" rule.