Who was the first person to break the 10 second barrier in 100 meter sprint?

Answer 1

That was Jim Hines of the United States at the U.S. National Championships in June, 1968 with a hand timed 9.9. He then became the first to run an electronically timed 100m under ten seconds at the 1968 Summer Olympics with a 9.95.

Answer 2

Jim Hines of the United States at the 1968 Summer Olympics in Mexico City at 9.95 seconds.

Answer 3

Technically it was Ben Johnson's time of 9.83 set on August 30, 1987, but he admitted to taking steroids, so the first legal sub 9.9 time was, 9.86 by Carl Lewis, on August 25, 1991.

Answer 4

we're still waiting.

we're still waiting.

Allan Wells did a wind assisted 10 flat at the Scottish Championships in 1979 at Grangemouth, Falkirk, Scotland.

Answer 5

Nobody has broken 19 seconds in 200 meters yet.

Answer 6

Jim Hines was the first.

Answer 7

Jim Hines

Answer 8

Yohan blake