TOKYO, Sept. 14 (Xinhua) -- American Melissa Jefferson-Wooden clocked 10.73 seconds to top the women's 100-meter semifinals at the World Athletics Championships on Sunday night.
Four-time world U20 champion Tina Clayton of Jamaica followed in 10.90 to take the second automatic qualifying spot from Heat 3.
Olympic champion Julien Alfred of Saint Lucia advanced from Heat 2 in 10.93, while Marie-Josee Ta Lou-Smith of Cote d'Ivoire won Heat 1 in 10.94.
Jamaica's Shericka Jackson (10.97) and 10-time world champion Shelly-Ann Fraser-Pryce (11.00) also secured automatic berths in Monday's final.
The two fastest non-automatic qualifiers were Sha'Carri Richardson of the United States, who ran a season-best 11.00, and Britain's Dina Asher-Smith in 11.02. ■
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