8 minutes
It depends on his/her age and how fast is he/she.
1 mile = 1609 meters 400 meters = 400/1609 miles ~ one fourth mile
2 minutes 59 seconds.
400 meters
400 Meters/1312 feet/437 Yards
.24
400 metres!
6 minutes and 8 seconds
An indoor track is set to be 200 meters, or 8 laps for a mile. An outdoor track is set at 400 meters , or 4 laps per mile.
6 hours
400 meters.