1898
It was not. The current definition was established in 1983.
It was redefined as 3 feet...
Yeah i think its really good. I'm a 13 year old girl and my personal best for the 800m is 2.50.
Yes, but IQ has nothing to do with age. But your IQ will change in time if it is not.
he shouldn't
1min 10secs should be a good time
my is 2:55 and i'm not joking
a 11.9 and lower is a good time
no...
30 seconds
30 seconds
about 3 to 4 minutes
with training 8 minutes or less, it has been achieved by a 12 year old in 5.35 minutes
Around 13 seconds
23-24 seconds
I don't know, but my time was 13 seconds