It is hard to define the average man but whatever he is he
should run the 400m in 55-75s.
400 meters in 20 seconds = 44.74 mph
It depends on the girl's physical abilities. A good 400 runner for a 7th grader should range from 60 to 65 seconds.
between 55.4mph.- 89.4
If you covered 400 meters in 6.3 minutes, that's 400 m/6.3 min or about 63.492 meters per minute, or about 1.058 meters per second. That's about 2.37 miles per hour, or a walk.
It depends on his/her age and how fast is he/she.
Sprints like 100- 400 meters use the most fast twitch fibers.
400 * 5 *60 / 1000 so 120 km/h.
A river originating 200 meters above sea level and traveling 400 kilometers to the ocean has an average gradient of 0.5 meters per kilometer.
urm.. the average 30 year old in my opinion, could probably run the 400 meters in between 60-64 seconds. to run it in 60 secs would mean a 15 seconds 100 meter and 64 secs would mean 16 seconds obviously:). hope i helped!
400 meters in 43.18 seconds equates to an average speed of 20.72 miles per hour.
if your in middle school under 58 and in hs probably under 50
0.5m/km Divide meters fall (200) by kilometers flowed (400).
400 Meters/1312 feet/437 Yards
14.9129086 miles / hour
400 meters = 0.25 miles.