Shericka Jackson breaks the women’s 200-meter world record in Prefontaine Classic
Shericka Jackson of Jamaica won the women’s 100-meter race in 10.70 seconds at the Diamond League finals in Eugene, Oregon, while world champion Sha’Carri Richardson came in fourth. In their fourth meeting of the year, Jackson, who won the 200-meter gold at the World Championships in Budapest last month, defeated Richardson over 100 metres for…