RIO DE JANEIRO -- Russias dominance in rhythmic gymnastics remains as strong as ever. Yana Kudryavtsevas dominance of the sports big-time meets, however, is over.Margarita Mamun ended her Russian teammates long run in major international competition during the Olympic all-around final on Saturday, taking advantage when a rare mistake by Kudryavtseva gave Mamun enough room to squeak by and wrest the gold from the three-time world champion. Mamuns total of 76.483 gave Russia its fifth straight Olympic gold in the rhythmic all-around and Mamun her first major title after spending most of the last three years as the runner-up to Kudryavtseva.It was quite unexpected for me to win the gold medal today because all the competitions Yana used to win, Mamun said. I wasnt thinking about winning the gold medal. It just happened.Mamun posted the top score during qualifying on Friday. The scores reset on Saturday and Kudryavtseva led through two rotations when she ran into trouble during her club routine, the event in which she posted the highest score in the 24-woman qualifying field a day earlier.The 18-year-old tossed one of her two clubs high into the air inside Rio Olympic Arena as the music crescendoed to a finish. One problem: when Kudryavtseva reached out to grab the club, it wasnt there. Instead it bounced off the floor inches away from her outstretched hand. She left the podium fighting back tears, well aware gold had been lost.Sometimes at the end of the routine I think Im relaxed, I think its already in my hand and its not, Kudryavtseva said.Mamun wasnt aware of Kudryavtsevas mistake until she came out with a red ribbon in her hand during her final routine. Mamun glanced at the scoreboard for just a moment and saw her name in first. It stayed there after her dynamic routine -- her ribbon in constant motion -- secured a gold she never saw coming.I was really surprised to see Yana make a mistake, Mamun said.Kudryavtseva gathered herself preparing for her final set but the misstep proved costly. She settled for second despite posting the highest score in the other three disciplines.It all happened very quickly, she said.Ganna Rizatdinova of Ukraine earned bronze, capping a slow but steady rise from a 10th-place finish in London four years ago. The 23-year-old is Crimean by birth but competes for Ukraine after Russia annexed Crimea two years ago while she was training in Kiev. She considers her medal a victory for two countries.Since London my life has changed a lot, my way of preparation has changed a lot, Rizatdinova said. Now I have grown up. I have new ambitions and new way of preparation and competing. 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Indias T Gopi and Kheta Ram put up a creditable show, breaching their personal bests to finish 25th and 26th, respectively, in the mens marathon on the last day of competitions in Rio de Janeiro on Sunday. The other Indian in the fray, Nitender Singh Rawat, finished 84th with a timing of 2:22:52.Clocking 2:15:25 and 2:15:26, respectively, Gopi and Kheta improved upon their personal bests of 2:16:15 and 2:17:23. Kheta climbed his way from a lowly 84th at one stage to finish among the top 30.Kenyas Eliud Kipchoge clocked 2:08:44 to win gold in a field of 155 runners. In all, 15 marathoners -- including big names such as Stanley Biwott (Kenya) and Tesfaye Abera (Ethiopia) -- did not finish the race.A hawaldar in the Indian Army, Gopi completed the first 5km in 15:44, to be placed 73rd. Climbing to 55th position thereafter at the end of 20km with a timing of 1:02:48, Gopi was followed by Kheta and Rawat in 68th and 73rd places, respectively.dddddddddddd At the end of 30km, both Gopi and Kheta made good progress and moved up by 13 and 15 spots, respectively. Fellow armyman Rawat, however, dropped 10 places with a timing of 1:38:07 to be ranked 83rd at the 30km mark.Gopi was brought in for the Mumbai marathon earlier this year to act as a pacesetter to help Rawat -- who had already qualified for the Olympics -- improve his timing. Kheta was hoping to make the 2:19 cut-off. The plan was that Gopi would run no more than the first 30 km of the Mumbai marathon. Instead, the 27-year-old from Kerala had held on and finished 11th overall to qualify for the Games. It was Gopis first full-marathon experience. ' ' '