SOCHI, Russia -- A Ukrainian cross-country skier has failed a doping test, her countrys Olympic committee said Saturday. It is the third positive result of the Sochi Games. Marina Lisogor tested positive for trimetazidine, which is classified as a "specified stimulant" on the World Anti-Doping Agencys prohibited list. Specified substances are considered more susceptible to inadvertent use and can carry reduced penalties. The 30-year-old Lisogor competed in two cross-country events in Sochi, finishing far out of the medals. According to the Ukrainian Olympic Committee, Lisogor said she did not knowingly take a banned substance. Lisogors failed drug test follows those of German biathlete Evi Sachenbacher-Stehle and Italian bobsledder William Frullani. All three drug-test failures are tied to stimulants. The IOC is conducting 2,453 drug tests in Sochi, a record for the Winter Games. The Olympic body also stores Olympic doping samples for 10 years to allow for retesting when new methods become available. Sachenbacher-Stehle, a former two-time Olympic gold medallist , tested positive for methylhexanamine in both samples. The German Olympic Committee said she was being sent home. She blamed a nutritional supplement and said she had never knowingly taken performance-enhancing drugs. "I am going through the worst nightmare that you can imagine because I am unable to explain at all how there could be a positive test," she said Friday. Frullani was ejected from the games after testing positive for dimetylpentylamine. Frullani, who had not competed yet, asked for a backup test that confirmed the result. The Italian Olympic Committee told The Associated Press it believed Frullani, a former decathlete, bought the stimulant on the Internet from the United States since it is not available in Italy. Patrick Peterson Jersey . Carreno Busta broke his opponent five times in the match, but also lost his serve three times in the second set before prevailing in the tiebreaker. Both players struggled with their first serve, as Carreno Busta landed just 51 per cent of his to 47 per cent for Kukushkin. Chandler Jones Jersey .Best moustache: How can we not give this to Lanny McDonald? Check out the duster for yourself. http://www.officialarizonacardinalsfootball.com/authentic-budda-baker-jersey-womens . Sterling was banned for life and fined US$2.5 million by the NBA on Tuesday for racist comments the league says he made in a recorded conversation. Nash, who plays for the rival L.A. Lakers, spoke as a representative of current NBA players at a press conference assembled by Sacramento mayor and National Basketball Players Association adviser Kevin Johnson. Mike Iupati Jersey . The Argentina striker has not played for the Premier League leaders since September when he refused to warm up during a Champions League match and only returned last week from a three-month unauthorized absence at home. City coach Roberto Mancini had initially told Tevez he would never play for City again after his act of public insubordination, but later softened his stance and only asked for an apology. Andy Lee Jersey .Chanathip Songkrasin opened the scoring in the sixth minute before Kroekrit found the target twice in the 57th and four minutes from fulltime.Vietnam and Malaysia play their second leg on Thursday. Vietnam won the first leg 2-1. VICTORIA -- Brittany MacLean of Toronto smashed the second longest-standing national womens record with her victory in the 800-metre freestyle on the last night of competition at the Canadian swimming trials on Saturday. MacLean clocked 8:24.91 seconds, eclipsing the previous mark of 8:27.59 set by Brittany Reimer of Victoria at the 2005 FINA World Championships in Montreal. MacLean and Tabitha Baumann of Ottawa -- second in 8:32.37 -- both went under the qualifying standard to be nominated to the Commonwealth Games and Pan Pacific teams. "Ive done a lot of racing this year and I wasnt sure how much my body would hold up," said MacLean, 20, a triple champion this week. "Im glad it did. To get the record is a huge accomplishment." Two-time Olympic medallist Ryan Cochrane of Victoria collected a third gold as well, winning the mens 1,500 freestyle -- his main event -- in 15:01.72, well under the qualifying standard. "I wanted to come here and put up a fast time," said Cochrane. "Its not where I want to be yet." Cochrane, who is one of 36 who will represent Canada at the Pan Pacifics in Australia in August, and one of 30 nominated to swim for Canada at Commonwealth Games in Scotland in July, says he wont settle for less than gold this summer. "Im looking forward to the Commonwealth Games because it was a dream of mine to compete at those Games since I was five," he said. "The Pan Pacs is a big event for the swimmers and the competition will be tough." In addition to 19 swimmers with national team experience, 18 newcomers will be representing Canada at the senior level for the first time thhis summer.dddddddddddd The Pan Pacs team features 21 female swimmers and 15 males, while 20 females and 10 males are nominated to the Commonwealth Games. Three Canadian women went under the qualifying standard in the 200 individual medley. Erika Seltenreich-Hodgson of Ottawa completed a golden individual medley sweep clocking a personal best 2:12.26, Marni Oldershaw of Oakville, Ont., followed in 2:13.72 and Sydney Pickrem of Halifax was third in 2:13.78. "Im pretty pumped," said 18-year-old Seltenreich-Hodgson. "To get two titles this week is really exciting. To have three girls go under the standard is something. We are an IM country." Evan White of Oakville just missed notching a Canadian record in the mens 200 IM but still went under the qualifying standard with a personal best 1:59.84. The 18-year-old was 0.3 seconds under the Canadian record before heading into the final freestyle length. "I was trying to break the record and I could hear the crowd," White said. "It was a good swim." Katerine Savard won the womens 200 fly in 2:07.61, while Audrey Lacroix followed in 2:08.84. Both Pont-Rouge, Que., racers went under the qualifying standard as they did in the 100 butterfly on Friday, which featured a national record for Savard. "I dont really believe I did that time," said the 20-year-old Savard. "Its really good for me." Victoria Poon of Montreal was first in the 50 freestyle for her second win of the competition. Yuri Kisil took the mens 50 freestyle in a personal best 22.53 for his second title this week, and Zack Chetrat of Oakville, won the mens 200 butterfly. 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