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Usain Bolt
Usain Bolt won the 100m final at Beijing
4/10 or .4 of a kilometer, which is a thousand meters.
Midnight blooming daisy's
-2 -Great Britian -France
It matters on what sport they are participating in.For bobsledding they wear thin material .For running its basically a basket ball shirt w\ shorts.
Usain Bolt was clocked running 23 mph during the 2008 Beijing Olympics 100 meter dash
21 running events at the morden Olympics
equipment for running
It was on 1984
Running has been a part of the Olympics since the original ones in Ancient Greece.