The 24-year-old hurdler from Tennessee during her warm up broke her arm, but the injury did not stop her from winning the race in an impressive 12.59 seconds against -2.4m/s strong head wind.
"Broke my hand during my final push out. Nothing but Gods strength & my determination that got me through that race w/ a win." Harrison wrote on her Twitter page on Saturday.
The athlete right after the race was rushed to the hospital where she was immediately treated.