65sec
maby like a 1;24 since there older i run a 1;05 & im 12 & do track
400 Meters/1312 feet/437 Yards
The converted time for 400 meters is 42.35 seconds.
A classroom doorway is how many meters tall?
55-65s
he shouldn't
I'm sure somewhere in the world there is a man running 400 meters at this very moment
400 meters in 43.18 seconds equates to an average speed of 20.72 miles per hour.
0.5m/km Divide meters fall (200) by kilometers flowed (400).
If you are in shape, I would go for about 1:10-1:17.
2008 had around $400 great for Christmas time.
14.9129086 miles / hour