BEIJING (AP) — The Latest from the IAAF world championships (all times local):
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12:10 p.m.
American 100-meter bronze medalist Tori Bowie will not be part of the team’s relay pool at world championships this weekend.
In a press release sent Friday, USA Track and Field said athletes were required to participate in a pair of relay camps leading up to the worlds this year. The camps were deemed especially important because of the number of new, inexperienced runners taking part on the team.
Bowie did not attend all the practices, and so she won’t be part of the team.
The 4×100 relay final takes place Saturday and the 4×400 is set for Sunday.
The U.S. women sprint relay team has won gold medals at the 2011 worlds and 2012 Olympics and took silver in 2013. But before that, they had trouble with dropped batons and injuries that led to some restructuring of the team’s practice and selection process.
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11:55 a.m.
As they entered the Bird’s Nest, Chinese teammates Liu Hong and Lu Xiuzhi discussed whether they would try to outduel one another down the final stretch.
They didn’t, with the more experienced Liu winning the 20-kilometer walk ahead of her younger opponent and giving China its first gold medal of the world championships.
“I think both of us would like to have the gold,” Liu said. “We talked about whether we would have a fierce ending, then my little sister said, let’s just enter the stadium like this (side by side). So not a very fierce ending.”
Liu and Lu were virtually assured of gold and silver when they came into the stadium together, leading their nearest competitor by more than 20 seconds.
The only question was who would win gold: the veteran Liu, the world-record holder competing in her fourth world championships, or the 19-year-old Lu, competing in her first?
Experienced counted this time, but both were given the same time — 1 hour, 27 minutes, 45 seconds.
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11:20 a.m.
Ashton Eaton recorded the best mark in the long jump, following immediately on from his world championship decathlon record in the 100 meters, to lead with 2,070 points after the first two disciplines.
The Olympic and world champion recorded 7.88 meters with his first jump and didn’t improve on that. He ran 10.23 in the opening sprint, the fastest time ever recorded in a world championship decathlon.
Eaton, who holds the world record, didn’t compete in a decathlon in 2014 but entered the meet as the favorite.
American teammate Trey Hardee, a two-time world champion, appeared to injure his back or side in the long jump. After a foul on his third attempt, Hardee clutched at his side after leaving the pit. His best mark of 7.30 had him in ninth place with 1,847 points.
Damien Warner of Canada produced a personal best 7.65 in the long jump to hold on to second place with 1,992 points. Felipe Dos Santos of Brazil was third with 1,913 points following his season-best 7.54 in the long jump.
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10 a.m.
China has won its first gold medal of the world championships with Liu Hong winning in the women’s 20-kilometer race walk.
Liu won in 1 hour, 27 minutes, 45 seconds, finishing only steps ahead of teammate Lu Xiuzhi. Lyudmyla Olyanovska of Ukraine won the bronze medal, 28 seconds behind Liu.
Liu, who set the world record in the event in June, has a silver and two bronze medals from the previous three world championships.
Italian teammates Eleonora Giorgi and Elisa Rigaudo were in third place at the mid-point of the race but were both disqualified after receiving three warnings for lifting both feet off the ground at the same time.
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9:35 a.m.
Olympic champion Ashton Eaton started the defense of his decathlon world title on Friday by running 10.23 seconds in the 100 meters, a championship record for the 10-discipline event.
Eaton, the decathlon world-record holder, won the last of four heats to collect 1,040 points, holding off Damian Warner of Canada, who picked up 1,020 points for finishing in 10.31.
Rico Freimuth of Germany ran his season-best 10.51 and was followed by Felipe Dos Santos of Brazil in 10.53 and two-time world champion Trey Hardee in 10.56.
The decathletes were also competing in long jump and shot put during the morning session on Day 7.
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9:30 a.m.
As expected, Chinese teammates Liu Hong and Lu Xiuzhi were leading at the halfway point of the women’s 20-kilometer race walk.
Liu has three medals from the past three world championships, but no gold. She set a world record in the event in June.
Lu has the second-fastest time in the field this year.
Elisa Rigaudo and Eleonora Giorgi, both from Italy, were in a pack of walkers about 25 seconds behind.
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8:35 a.m.
They’re off and … walking.
The women’s 20-kilometer walk is the first event to get going on Day 7 of the world championships, with China favored to win its first gold medal of the competition.
Liu Hong, who holds the world record in the event, is the one to beat.
In the evening session, there will be four more finals, including the women’s 200 meters. The men’s 110 hurdles is also on the schedule, along with the women’s 100 hurdles and the women’s long jump.
The decathlon, with Olympic gold medalist Ashton Eaton as the favorite, will also get started on Friday.

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