American champion Sha’Carri Richardson cannot run in the Olympic 100-meter race after testing positive for THC, a chemical found in marijuana. Richardson won the 100 at the Olympic trials on June 19.
American Sha’Carri Richardson won the women's 100-meter world title Monday, outsprinting a star-studded field to take a gold medal two years after a positive marijuana test derailed her Olympic dreams ...
United States' Melissa Jefferson-Wooden, second left, celebrates winning the gold medal the women's 100 meters final ahead of Saint Lucia's Julien Alfred, Jamaica's Shericka Jackson and United States' ...