BEIJING (AP) The Latest from the world championships (all times local):
Su Bingtian made some continental history by reaching the world championship final in the 100 meters.
The 25-year-old Chinese sprinter matched his personal best time of 9.99 seconds in the semifinals to snag one of the last spots in the expanded nine-man field. The crowd at Beijing's Olympic Stadium went wild as he stepped to the starting line against the likes of Usain Bolt, Justin Gatlin and Tyson Gay.
Su placed last in the final in 10.06, but the Chinese media was none-the-less euphoric.
''9.99! Su Bingtian 1st Asian to reach world championships men's 100m final,'' China's state-run Xinhua news agency declared on Twitter.
They might not have the star power of Usain Bolt just yet. But Trayvon Bromell and Andre De Grasse - the co-bronze medalists in the 100 - said the world should get used to their names.
''We're both showing everyone that we are the future,'' said the American Bromell, who turned 20 last month. ''You know, we're only 20 years old, the youngest in the field. We just wanted to show people what we can do.''
Bromell and De Grasse, of Canada, finished in a dead heat for third in 9.911 seconds. Bolt won in 9.79.
De Grasse said he and Bromell are close friends off the track and try to motivate each another by talking about their bright futures.
''I told him right before we ran, `let's go shock the world,''' De Grasse said. ''Let's go out there and try to compete with Usain Bolt and Justin Gatlin. And you know, we did that, so we're both proud of each other.''
Trayvon Bromell and Andre De Grasse dead-heated for third place and each earned a bronze medal from a world championship 100-meter final won by Usain Bolt.
Bolt won in a season-best 9.79 seconds, lunging to edge 33-year-old American Justin Gatlin at the finish.
Bromell of the U.S. and De Grasse of Canada tied for third, with International Association of Athletics Federation saying both were clocked at 9.911.
Usain Bolt beat Justin Gatlin to win the 100-meter world title in 9.79 seconds at the Bird's Nest, where he shot to fame at the 2008 Beijing Olympics with his victories in world-record times in the 100 and 200.
The only time Bolt has failed to win gold in a sprint at a major championship since the 2008 Games was when he was disqualified for a false start at the 2011 worlds.
Doubts over his ability to beat Gatlin intensified after he tumbled and then recovered to win his semifinal heat in 9.96 seconds.
Gatlin, who won the 100 at the 2004 Olympics before serving a four-year suspension for doping, had been unbeaten in 2015 and had the season-leading time of 9.74 but placed second in 9.80.
The 33-year-old American took bronze behind Bolt at the 2012 Olympics and silver at the 2013 world championships in Moscow.
Joe Kovacs won the shot put final at the world championships Sunday by defeating two-time defending champion David Storl of Germany, giving the U.S. its first gold medal of the meet.
Kovacs threw 21.93 meters on his penultimate attempt to hold a 19-centimeter edge over Storl. O'Dayne Richards of Jamaica took bronze with 21.69.
Olympic champion David Rudisha comfortably won his heat in 1 minute, 47.41 seconds to reach the final of the 800 meters at the world championships.
Amel Tuka of Bosnia-Herzegovina edged Ferguson Cheruiyot of Kenya right on the finish line in the last semifinal heat to lead the qualifiers in 1:44.84.
Olympic champion Jessica Ennis-Hill surged ahead in the final straight of the 800 meters to clinch her second heptathlon world title in six years.
Ennis-Hill won the last heat of the last event in 2 minutes, 10.13 seconds, withstanding the challenge from Brianne Theisen-Eaton of Canada, who had been the leading competitor all season and went out hard the 800 in a bid to win the gold.
Ennis-Hill finished with 6,669 points, 115 points ahead of silver medalist Theisen-Eaton.
Laura Ikauniece-Admidina of Latvia took bronze with 6,516 points.
Christian Cantwell won't compete in the final of the shot put at the world championships because of back spasms.
Cantwell, the 2008 Beijing Olympics silver medalist, was heading out of the stadium after qualifying on Sunday morning when his back seized up. Team doctors treated him, but he couldn't make it back into the competition shot put circle.
Pawel Fajdeck of Poland retained his world championship title by winning Sunday's hammer throw final with a best mark of 80.88 meters.
Three-time Asian Games champion Dlishod Nazarov of Tajikistan took silver and Wojciech Nowicki of Poland finished with bronze on a countback after both recorded 78.55.
There'll be nine runners in the final of the 100 meters at the world championships because Su Biantian of China and Jimmy Vicault of France tied for the last qualifying spot.
Three athletes recorded marks of 9.99 in the semifinals. When their times were taken to 1,000th of a second, Trayvon Bromell took the seventh spot at 9.984. Su and Vicault were recorded at 9.987.
Usain Bolt stumbled and then recovered to win his semifinal heat in 9.96 seconds, reaching the world championship final in a performance that cast doubt over his ability to beat Justin Gatlin in the final later Sunday.
Gatlin qualified fastest in 9.77.
''Easy. Breezy,'' Gatlin said before going to warm down. The final was scheduled for 9:15 p.m. local time.
Gatlin, who won the 100 at the 2004 Olympics before serving a four-year suspension for doping, is unbeaten in 2015 and had the season-leading time of 9.74 heading into the championships. The 33-year-old American took bronze behind Bolt at the 2012 Olympics and silver at the 2013 world championships in Moscow.
The only time Bolt has failed to win gold in a sprint at a major championship since the 2008 Olympics was when he was disqualified for a false start at the 2011 world championships.
Justin Gatlin won his semifinal heat in 9.77 seconds to advance to the final of the 100 meters at the world championships, where he'll face Usain Bolt.
Usain Bolt stumbled in his semifinal of the 100 meters and had to work hard in the latter half of the race to qualify in a time of 9.96 seconds.
He advanced in the same time as Andre de Grasse of Canada in the first of three semifinals.
The only time Bolt has failed to win gold in a sprint at a major championship since the 2008 Olympics was when he was disqualified for a false start in the heats of the 2011 world championships.
Sprinter Shelly-Ann Fraser-Pryce definitely stood out at the world championships - from the yellow daisies lining her green-colored hair, to her time on the track.
She went with that particular hair ensemble to match the Jamaican team colors. Asked why she chose daisies, Fraser-Pryce simply responded: ''Daisies are pretty, yellow and pretty.''
Fraser-Pryce declined to chat about her performance, though, which was just as colorful. She finished in 10.88 seconds to win her heat. That tied American sprinter Tori Bowie for the fastest time of the day.
Bowie had a purple streak through her locks, not quite as noticeable as Fraser-Pryce's hairstyle.
Olympic champion Jessica Ennis-Hill is closing in on another major heptathlon title, leading by 86 points with only the 800 meters to go at the world championships.
Ennis-Hill had 5,706 points after throwing 42.14 meters in the javelin, well below her best. Nadine Broersen of the Netherlands moved into second place with a mark of 53.52 in the javelin, the sixth of seven events in the two-day competition.
Brianne Theisen-Eaton was third with 5,612 points.
The British team has withdrawn its protest against a foul in the long jump that put Katarina Johnson-Thompson out of contention in the heptathlon.
Johnson-Thompson, in second place behind British teammate Jessica Ennis-Hill after the first four events, fouled out on her three long jump attempts Sunday.
Despite two fouls to start with, she pushed the limits on her last attempt and stepped over the line by a tiny margin, meaning she failed to record a mark in the event.
She pleaded with the judges without success before the red flag was raised. The British team lodged a protest to have the decision reviewed but later said it accepted that it was a foul.
The neon green bow in her hair is for mom. That way, American 400-meter hurdler Shamier Little is easy to spot at the starting line.
''I've only not worn the bow one time and she's like, `I couldn't even see you. You have to wear the bow!''' Little recounted.
It's become a good-luck charm, something she's worn in nearly two dozen races in her career, including Sunday as she advanced to the semifinals at the world championships.
To think, the concept of the bow was almost squashed. Her college coach at Texas A&M isn't a big fan of runners standing out for anything other than their times. Eventually, Little got her coach to come around to the idea.
''He finally admitted he likes the bow,'' Little said.
Little also races in distinctive eye glasses, a style patterned after the ones Malcolm X used to wear.
Yousef Ahmed Masrahi of Saudi Arabia set an Asian record in the 400-meter heats at the world championships on Sunday, joining a select group of five who have run sub-44 this season.
Masrahi ran the one-lap race in 43.93 seconds to improve the continental record he already held since last year by a whopping half a second. He crouched down and kissed the track after crossing the line.
In the same heat at the Bird's Nest, Rusheen McDonald set a Jamaican record in the same time. It further underscored the excellent times that have been run by a slew of contenders this season.
Benjamin Thorne came into the 20-kilometer race walk hoping he could finish in the top eight. The Canadian walker ended up with the bronze medal.
All great things, he said, but he knows there was something missing in this race. Namely, the Russians, who didn't enter anyone in the contest because of a doping scandal that has rocked the sport this year.
Thorne said he was upset the Russians didn't show, because not having the best athletes in the race isn't as exciting for a sport that needs as much excitement as it can get.
He says he hopes the Russians will send a clean team to the Rio Olympics next year, so he can see how he stacks up against the very best.
Jessica Ennis-Hill closed in on the world title in the heptathlon on Sunday, with a solid performance in the long jump extending her overall lead with two events to come.
Olympic champion Ennis-Hill jumped 6.43 meters to increase her overall score to 4,990 points. Her British teammate Katarina Johnson-Thompson, who was in second place coming into the second day of the competition, fell out of medal contention after she fouled out on her three long jump attempts.
Despite two fouls to start with, Johnson-Thompson went all out on her last attempt and appeared to step over the line by the tiniest of margins on a huge jump. Despite her pleading with the judges, the red flag went up.
Canada's Brianne Theisen-Eaton moved into silver medal position with a jump of 6.55, for a score of 4,888.
Miguel Angel Lopez of Spain won the 20-kilometer walk in 1 hour, 19 minutes, 14 seconds on Sunday, holding off the strong challenge from Chinese athletes seeking to win the host country's first gold medal at the world championships.
Olympic bronze medalist Wang Zhen of China took silver in 1:19.29 and Benjamin Thorne was third in a Canadian record 1:19:57.
The 20-kilometer walk offers the first of five world championship gold medals up for grabs on Day 2, which culminates with the marquee men's 100-meter final.
Olympic champion Jessica Ennis-Hill was leading the heptathlon ahead of the long jump, the first of the three disciplines in the event on Sunday.
Medals will also be awarded in the men's hammer throw and the shot put.
Competitors in the 20-kilometer walk have left the stadium at the start of Day 2 at the world championships.
China and Japan are aiming to capitalize on the absence of athletes from Russia, where the race walking program is under heavy scrutiny amid a doping scandal.