Jackson, second in the 100m final, ran a brilliant bend, was two metres clear coming into the home straight and tore to the finish to win by a street.
It also edged her closer to the late Florence Griffith-Joyner’s 21.34 world record from the 1988 Olympics.
I will continue to work and I hope I can maintain at least this level and we will see if the world record will come.
As for the world record - I'm close, I'm close, I'm getting there."
When asked if she considered herself the "real" record holder, she said: "I won't question a world record.
Persons:
Silver, Thomas, Richardson, peerless Shericka Jackson, Jackson, Eugene, Florence Griffith, Gabby Thomas, Sha'Carri Richardson, I'm, Griffith, hasn’t, St Lucia’s Julien Alfred, Briton Daryll Neita, Mitch Phillips, Ken Ferris
Organizations:
Griffith, Richardson BUDAPEST, Briton, United States, Saturday's, Thomson
Locations:
Budapest, Jamaica