RIO DE JANEIRO -- Day 13 of the Rio Games features medal action in track and field, beach volleyball, platform diving, wrestling and more. Here are some things to watch (all times local):TRACK AND FIELDUsain Bolt should be lining up for gold medal No. 8 at 10:30 p.m. in the 200 meters and the biggest drama may not be whether he wins, but whether he cracks the once-thought-untouchable 19-second barrier. He already owns both the world record at 19.19, and Olympic record at 19.30.Among those who will challenge him include Canadian Andre De Grasse, who was on Bolts shoulder for much of the semifinal Wednesday night, and LaShawn Merritt of the U.S. De Grasse won bronze to Bolts gold in the 100.American Justin Gatlin -- who won silver in the 100 and was booed at that event -- failed to qualify in semis.Mens decathalon medals will be awarded after the 1500m finals, which start at 9:56 p.m. The athletes day starts with 110m hurdles (9:30 a.m.), discus (10:25 a.m.), pole vault (1:25 p.m.), javelin (6:45 p.m.) American Ashton Eaton is leading in points after the first day of events. Damian Warner of Canada, beat Eaton in a 100-meter heat and set an Olympic decathlon best 10.30 seconds in the process.In the womens 400 hurdles at 10:15 p.m., the Americans try to capture their first Olympic gold in the event. Dalilah Muhammad is the favorite, but Ashley Spencer is running well.The 30-year-old Kerron Clement tries to add a gold medal in the 400 hurdles, which start at noon. He won a silver in the event at the 2008 Beijing Games (and had a cameo in a Beyonce video ). Jamaicas Annsert Whyte has the second best time of the year.At 9:31 p.m., South Africas Caster Semenya runs in the 800 semis at 9:31 p.m. Semenya has been under unwanted scrutiny ever since word leaked in 2009, just before she won the 800-meter world title as a 19-year-old, that track officials mandated that she undergo sex testing.The shot put finals, starting at 10:30 p.m., are Joe Kovacs to lose. The American has four of the top five best throws in the world this season.The womens javelin finals are at 9:10 p.m.BASKETBALLThe U.S. will most likely be without star guard Sue Bird when they face France in the semifinal at 7 p.m.Bird suffered a sprained knee capsule and is listed as day-to-day. Even without the four-time Olympian, the Americans still have the most potent offense in the tournament, averaging over 104 points a game. They have won 47 consecutive games in the Olympics and stand two victories away from a sixth straight gold medal.The game is a rematch of the 2012 London Games gold medal match, which the Americans won by 36 points. France had its own injury at point guard when star Celine Dumerc hurt her ankle right before the Olympics began.Earlier, at 3 p.m., Spain plays Serbia.The gold medal game is Saturday afternoon.BEACH VOLLEYBALLThe mens finals at 11:50 p.m. pit two-time Olympians Paolo Nicolai and Daniele Lupo of Italy against Brazils Alison and Bruno , who is the nephew of the nations basketball icon Oscar Schmidt.The Italians beat Russias Viacheslav Krasilnikov and Konstantin Semenov 15-21, 21-16, 15-13 on Tuesday night.Alison and Bruno, the No. 1 seed in the tournament, are the defending world champions and the hometown favorites.GOLFThe second round of womens play starts at 7:30 a.m.Ariya Jutanugarn of Thailand takes a one-shot lead into the second round of play when golf resumes at 7:30 a.m. Her 6-under 65 has her one shot ahead of South Koreans Inbee Park and Seiyoung Kim.Jutanugarn is a four-time winner coming off her first major at the Womens British Open.VOLLEYBALLThe top-ranked American women look to move one step closer to a first gold when they take on Serbia in the semifinals at 1 p.m. The landscape of the tournament changed after two-time defending Olympic champion Brazil made an early exit at Chinas hands.Serbia lost in four sets to the U.S. during pool play but pulled off a surprising five-set victory at last years World Cup in Japan that forced the Americans to qualify for Rio in January.China will face the upstart Netherlands women, who are leaving their mark in Rio playing in their first Olympics in 20 years. They play at 10:15 p.m.WRESTLINGThree-time world champion Adeline Gray is a heavy favorite in the 75-kilogram weight class, while Helen Maroulis is a serious medal contender at 53 kilograms.Grays top challenger will likely be Aline Da Silva Ferreira, a silver medalist from the world championship in 2014 wholl no doubt be backed by a boisterous home crowd.Maroulis, who won a world title at 55 kilograms in 2015, will find herself up against the toughest opponent of her career if she and Japans Saori Yoshida reach the finals.Yoshida is a 16-time world champion -- including three Olympic titles -- and she hasnt lost in a major tournament in years. But Yoshidas margins of victory have shrunk in recent tournaments, and Maroulis hasnt lost a match in two years.The qualification matches start at 10 a.m.BOXINGU.S. bantamweight Shakur Stevenson is scheduled to face Russias Vladimir Nikitin at 2:30 p.m. for a spot in the gold-medal bout, although Nikitin might be unable to fight after taking serious damage in his hotly disputed win over Irelands Michael Conlan two days earlier.Three Cuban boxers appear in the final four fights, culminating in Julio Cesar La Cruzs gold-medal light heavyweight bout with Kazakhstans Adilbek Niyazymbetov at 3:30 p.m.DIVINGChinas dominance at the diving pool shows no signs of waning as the 10-meter platform finals approach at 4 p.m.Si Yajie and Ren Qian went 1-2 in the preliminaries Wednesday, setting themselves up to challenge for Chinas sixth diving gold medal of the Rio Olympics.Si scored no lower than 76.50 in any of the five rounds and posted the top score of 397.45 points. Ren was a bit off on her third dive but still claimed the second spot at 385.80.No one else was even close. Jessica Parratto of the United States took third at 346.80.The top 18 move on to Thursdays semifinals at 10 a.m.FIELD HOCKEYThe gold medal mens match features two surprises with Belgium taking on Argentina at 5 p.m.The Argentines humiliated Germany, the defending two-time champion, by a record 5-2 to get through the semis. And the Belgians beat the Netherlands 3-1 to break an 80-year streak of never losing to the neighbor in major competition.BMX CYCLINGMaris Strombergs of Latvia begins his quest for a third straight gold in BMX racing when the mens quarterfinals begin.Nicknamed The Machine, Strombergs is the only man to win BMX gold since the cycling event was added to the Olympics as a medal sport in 2008 in Beijing. Strombergs is seeded seventh in Rio.Reigning world champ Joris Daudet of France is the top seed after finishing first in the seeding runs Wednesday.---AP Summer Games website: http://summergames.ap.orgFake China Jerseys . At a news conference Tuesday where it was thought that the fiery Schallibaum may be shown the door after a dismal finish to the Major League Soccer season, team president Joey Saputo said no decision has been made on whether the Swiss Volcano will be back in 2014. Cheap Jerseys From China . LOUIS -- St. https://www.chinajerseyscheap.us/ .C. -- After a listless first half, the Washington Wizards used a big third quarter run to beat the Charlotte Bobcats Bradley Beal scored 21 points and the Wizards used a 17-0 run in the third quarter to take control of what had been a close game and beat the Bobcats 97-83 on Tuesday night. China Jerseys Wholesale . The parade and rally were held to celebrate the Saskatchewan Roughriders 45-23 win over the Hamilton Tiger-Cats on Sunday in the CFLs championship game. China Jerseys Cheap . -- Ryan Getzlaf grabbed the three pucks wrapped in tape and held them up to his chest in the Anaheim Ducks dressing room for a celebration nine seasons in the making.Dundee United boss Mixu Paatelainen has received a boost ahead of Saturdays Scottish Cup semi-final against Hibernian at Hampden Park - live on Sky Sports 1 HD from 12pm - after captain Paul Paton was passed fit. The Northern Ireland international midfielder was struggling with a recurrence of his earlier knee problem but has been cleared to face the Championship side.Paton was sidelined for nine months after suffering his previous knee injury but has impressed since his return to action in January. Paatelainen said: Paul has been magnificent for us, hes a leader not only by his actions and his performances. His crunching tackles are vitally important for us, we are delighted that Paul is fit and available to play.One man who will miss the trip to Glasgow is defender Gavin Gunning, who was released by Paatelainen earlier this week following his bizarre exit from the game against Inverness, while fellow centre-back Mark Durnan is suspended. Dundee United Mixu Paatelainen says his side must be positive on Saturday Hibernian boss Alan Stubbs, whose side have won only two of their last 11 matches, faces a goalkeeping dilemma and will have to decide between Otso Virtanen and Conrad Logan as first-choice Mark Oxley is suspended, along with forward James Keatings.Hibs romped to 3-0 win over United in a League Cup quarter-final tie at Easter Road in November. Hibs manager Alan Stubbs says his side are desperate to win their Scottish Cup semi-final against Dundee United Jason Cummings was on target for Hibees that day and he believes the defeat will preoccupy the Taysiders minds at the national stadium.ddddddddddddThe 20-year-old said: They have been struggling a bit this season and have lost the majority of games they have played and we have won the majority of games we have played so I think that will come into play a wee bit. Jason Cummings has been in fine goalscoring form for Hibs this season And I think it will be in the back of their minds, the fact that we have already beaten them 3-0.That night we were different class and we battered them off the pitch. It was a comfortable 3-0 and it could have been more. Luke Shanley reports from Hampden Park, where the pitch has been relaid ahead of the Scottish Cup semi-finals I think that is massive for us, the fact that we have already beaten them and beaten them comfortably. The boys will go into Saturday knowing we can do it again and I am buzzing for it.Watch Hibernian v Dundee United in the Scottish Cup semi-finals live on Sky Sports 1 HD from 12pm on Saturday. ' ' '