It depends on how fast you are and how experienced you are.
Normal person (non-runner): 35-45 minutes
Beginning runner: 30-40 minutes
Average runner: 28-34 minutes
Fast runner: 24-27 minutes
Good cross country runner: 20-24 minutes
Really awesome: Under 20 minutes
World record: Under 13 minutes
If you're a really, really talented runner, you might be able to run a 5K in 15-16 minutes after several years of training. Obviously, very few people will get under that or anywhere close to the world record. Generally, if you can do a 5K in around 25 minutes or less, you're considered pretty good.
varies
if it takes you 18 minutes to run 3.2 kilometres, then it would take an estimate of about 6 minutes for 1 kilometre because you run slightly faster in the beginning!
It would take Wilma 8 hours to run 40 miles at 5mph.
43000 Hours
forty five minutes
It all depend on the person running the 20k. Are they a pro, fat, skinny, and how often they run.
for as long as you take care of it.
One hour five minutes and thirteen seconds or 1.08696 hours.
It would take ~6.67minutes to run 1km at 9kmh.
20 kilometers.
It depends on how fast you run
Five hours or so.