5 seconds
9.58 seconds for the 100m 19.19 seconds 200m and 4x100m 36.84 seconds
10,35 seconds
9.58 seconds
20 seconds
i dont know
...about 10:49 seconds, set in 1988...
10.4 seconds is his personal best 10.4 seconds is his personal best
He can run 100m in 11 seconds.
100m freestyle Michael phelps 46.65 seconds
15 seconds would probably be good for a 10 year old, or maybe in the 14s.
11.25 seconds