train.
47.60 by Marita Koch.
Chewbacca
Most indoor running tracks are 200M, some are also odd distances like 140 or 150M, but you will sometimes stumble upon indoor 400M tracks (They are pretty rare).
the total distance you run is 400m. so it is the same thing. all 4x100 means is that there are 4 people running 100 meters.
390cm but most running tracks have 8 lanes
I'm not sure what's an average time but a 51 second 400m is very good for a 16 year old. (Top in Ontario for sure).
400m
To determine how many laps a person runs on a 400m track during a 1500m race, divide the total distance of the race by the length of the track. A 1500m race is equivalent to 1500m ÷ 400m, which equals 3.75 laps. Therefore, a runner completes 3 full laps and an additional 300 meters on the 400m track.
A standard running track is 400m.
10,000 / 400 = 25
No, he retired from athletics in 2001. He still holds the 400m world record set in 1999.