there's no such thing as a 500 meter breast stroke
I've never seen a 20 meter pool. just 25's and 50's. But, in a 20 it would be 250, in a 25 it is 200, and in a 50 it is 100.
500 x 300 = 1500 square meters
water polo, 100 meter swim, 400 meter team swim. these are also olympic events.
You may be able to float but not swim - 1000 liters occupies 1 cubic meter - or a box 1 meter x 1 meter by 1 meter - not enough room to move around
to swim 800 meters in a 25 meter poll, you must swim 32 lengths, but to swim 800 YARDS, you only have to swim 29.26 lengths (so you should just swim 30 lenghts)
Five 1988 - gold in women's 500 meter speed skating. 1992 - gold in women's 500 meter and 1000 meter speed skating. 1994 - gold in women's 500 meter and 1000 meter speed skating.
how to convert running meter to square meter
500 m = 1640.42 ft
132 lengths
1500 m freestyle
about 500