That is a broad question. Age, the course and weather are 3 huge contributing factors to a specific answer, but if you are just interested in what the average from all ages, for all courses is then your answer is somewhere between 30 - 40 minutes.
High school track stars run the distance in 15 minutes routinely. College & pro runners do so in 14 - 15 minutes. World record holder are sub 13 minutes racers!!
Women pro's tend to be about 2 minutes behind the best men.
I did my first 5k today in 34mins.
guys: about 16:00 girls: about 22:00
20 minutes is an average tome for a 5k race.
Run faster
When I ran my first 5k I took 45 minutes. I think around that time.
my fastest time is (im eleven) 25 mins and 22 secs. but the average time(for an adult) is between 30-40 mins. :)
If you're talking about the actual time it takes to physically run a 5k (and not how long it would take to train for one), it's about 30 minutes. 5k is around 3.1 miles, so if you average 10 minutes per mile, it's 30 minutes total.
Five kilometers is equivalent to approximately 3.1 miles. An average time for an novice athlete to run a 5k would be thirty minutes (approximately ten minutes per mile).
A 5K run is a distance of 3.11 miles.
About 30-40 minutes (10-13 min/mile) is pretty much average for a runner over age 40.
It can vary greatly based on age, gender, terrain, and condition (athlete vs. non-athlete). (Sanandraous) The average high school Cross Country time is between 21-23 mins with the fastest average at 15 min and slowest average at 28min
I've been running 5k for around 6 eweks now (previously unable to run full 5k). I started out at 42 mins but now running 5k in 36.04. I'm still about 30 pounds over my desired weight so hope to improve further. Hope this helps.