Laura Trott is on track to win her fourth Olympic gold after taking an overnight lead in the womens omnium in Rio.Mark Cavendish claimed silver?in the mens omnium to take Britains tally to four golds and three silvers from six events entered in the velodrome. Britain did not qualify for the seventh, the womens team sprint.More could follow on Tuesdays final day on the track, with Jason Kenny and Callum Skinner in the mens Keirin, and Becky James and Katy Marchant in the womens sprint quarterfinals.Trott, world champion and London 2012 gold medallist in the event, is the best prospect of the lot, having won two of the first three disciplines of the omnium. She was second in the other.The 24-year-old was second in the opening scratch race and won the individual pursuit and elimination race -- a discipline which has become her trademark -- to lead on 118 points.Belgiums Jolien Dhoore was second on 110pts and Sarah Hammer of the United States third on 108.British Cycling head coach Iain Dyer said: Once again, confidence has got to be sky high. Who wouldnt want to go into day two of an omnium with a lead like that?Shes queen of the elimination once again. Its an event she loves and everyone else ducks for cover and needs a lie down in a dark room afterwards.Shes clearly in super form, it sets her up well for day two.Kenny, Trotts fiance, goes for a sixth Olympic gold in the Keirin, which begins behind a motorpacing Derny bike, having won his fifth in the mens sprint on Sunday. Kenny and Skinner also won the team sprint last Thursday.James and Marchant completed their days work by progressing to Tuesdays womens sprint quarterfinals at the first attempt.James beat Virginie Cueff of France in her second-round contest and Marchant defeated Germanys Miriam Welte. Defending champion Anna Meares of Australia is out. Meares, who beat Victoria Pendleton in the final four years ago, was beaten by Lee Wai Sze of Hong Kong and then knocked out in the repechage.James will meet Chinas Zhong Tianshi in the best-of-three quarterfinals and Marchant is up against experienced Lithuanian Simona Krupeckaite.Meares afterwards said she would take time to consider her future. The perfectionist within me makes it hard to comprehend this result, Meares, 32, said.For the first time in 22 years, I just couldnt get anything more out. I want to give myself the opportunity to be removed from this environment. I promised myself some time to comprehend everything and make a decision. I just wanted to get here and race. Adidas Nmd Billig Ebay .Y. -- Jayna Hefford scored the winning goal Friday as Canada survived a scare with a 4-3 win over Sweden at the Four Nations womens hockey tournament. Nmd r2 Herren Schweiz .com) - Rafael Nadal, Andy Murray and Roger Federer were easy first-round winners Tuesday at the Australian Open. http://www.nmdschweizkaufen.ch/ . The No. 1-ranked Nadal tweaked his back warming up for the Australian Open final, which he lost almost four weeks ago in a major upset against Stanislas Wawrinka. His first stop after the layoff is the clay in Rio as he tests the back and tries to stay healthy for the French Open in three months. Adidas Originals Gazelle Schweiz .ca NBA Power Rankings, ahead of the Miami Heat and San Antonio Spurs. Adidas Gazelle Schweiz . Perhaps Carroll was so prepared for a break because he believes there is very little the Seattle Seahawks need heading into the off-season. "I dont see anything that we need to add. We just have to get better," Carroll said. PROVIDENCE, R.I. -- The embezzlement trial of the founder of an international sport institute has been put on hold after he was hospitalized for an undisclosed reason.Court spokesman Craig Berke (BER-kee) says the judge excused the jurors for the day Monday after being told Dan Doyle was hospitalized.Doyle is the founder of the Rhode Island-based Institute for International Sport. He faces 18 counts, including embezzlement and forggery.ddddddddddddhe trial is scheduled to continue Tuesday. Berke said late Monday afternoon they were still awaiting word from Doyles lawyer.Doyle, of West Hartford, Connecticut, has threatened to initiate a sit-in and hunger strike in the courtroom over complaints that he is not receiving a fair trial. ' ' '