LONDON (AP) — The Latest from the world championships (all times local):
Olympic silver medalist Kevin Mayer of France took the lead in the decathlon after three events at the world championships, relying on strong performances in the 100 meters and the shot put.
Mayer has 2,703 points, 25 more than Rico Freimuth of Germany. Two-time world champion Trey Hardee of the United States is in third place with 2,647 points.
The decathletes return in the evening session for the high jump and the 400 meters before competing in the five other events on Saturday.
Rico Freimuth took the early lead in the decathlon at the world championships.
The German was second in the 100 meters and then placed seventh in the long jump to take the lead with 1,898 points.
Damian Warner of Canada and Karl Robert Saluri of Estonia were three points behind in a tie for second.
Olympic silver medalist Kevin Mayer of France is fourth with 1,869 points, while two-time world champion Trey Hardee is sixth with 1,847.
World-record holder Kendra Harrison led a strong U.S. contingent into the semifinals of the 100-meter hurdles at the world championships.
Harrison had the top time in the opening heats in 12.60 seconds, .06 seconds ahead of defending champion Danielle Williams of Jamaica. Another heat winner was former Olympic and world champion Sally Pearson of Australia, who had the third-best time of 12.72.
Christina Manning, Dawn Harper Nelson and Nia Ali also went through to make it four Americans in the semifinals.
Deborah John of Trinidad and Tobago went down hard in the fifth heat and had to be stretchered off the track.
Olympic champion Sandra Perkovic of Croatia and defending champion Denia Caballero of Cuba both reached the final of the discus by throwing beyond the automatic qualifying mark at the world championships.
With the target set at 62.50 meters, Perkovic had a massive second throw of 69.67 to go into Sunday's final. Caballero had a mark of 63.79.
Kevin Mayer of France, the Olympic silver medalist in Rio de Janeiro, got off to a strong start in the decathlon with a lifetime best of 10.70 seconds in the 100 meters.
Trey Hardee, the last gold medalist before Aston Eaton took over the event at the 2012 London Olympics, finished his heat in 10.75 seconds, way off the 33-year-old veteran's best time.
Leading after the opening event at the world championships was Damian Warner of Canada. He ran 10.50 seconds, also far below his best, despite a rare sunny morning at the Olympic Stadium.
Rico Freimuth of Germany had the second best time of 10.53.
The decathletes will next head to the long jump, the second of the 10 events.
The two-day competition in the decathlon set off under sunny skies at the Olympic Stadium with Kevin Beyer and Trey Hardee favorites for gold at the world championships now that Ashton Eaton has retired.
Eaton won the last two world championships and Olympics, dominating the 10-event competition as much as Usain Bolt did the sprints. Now the race to become the "world's greatest athlete" is wide open.
The decathlon starts out with the 100 meters, followed by the long jump and the shot put.
Later Friday, there will be finals in the women's 200, steeplechase and long jump, and the men's hammer throw.
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