The 29 gold medals at the London games and more than 100 medals so far at the Paralympics had raised expectations that champions such as Jessica Ennis, Mo Farah, Sarah Storey and Ellie Simmonds would be recognised.
Indeed, the games' very medals all include metal salvaged from the circuit boards of electronic devices.
He had competed at a number of World Games winning gold medals in both hockey and five-a-side football.
One of the key elements of the Olympic and Paralympic Games - the medals - will also be made in Wales.
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On Sunday, Mr. Rogge said that "the Youth Games will definitely be something very important for the Olympic movement, " adding that some 90 former Youth Games athletes won medals in London.
Australia won 58 medals when it hosted the Games in 2000, compared to 41 medals won in 1996 and 49 won in 2004.
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She has earned a gold medal at the 2006 Winter Games in the Giant Slalon, 2 silver medals in the 2012 Winter Games, 7 World Cup Championships and 4 podium finishes in the World Championships of Downhill Skiing.
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The U.S has snagged the top spot at the past three Summer Games and won 102 medals, compared with 63 for China in 2004 (Russia was second with 92 medals).
Wiltshire-based Dunham, 59, has already won gold medals in previous games in Atlanta, Sydney and Athens.
He will be favourite to win gold medals at successive Games, but for different countries.
There's also a dispute over whether or not her relay teammates from the 2000 games have to give their medals back as well.
The Phelps legend was born in Beijing in 2008 when he became the first Olympian to ever win eight gold medals in one Games.
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He won two golds and a silver at the Games but finished outside the medals in the 100m, an event won by Britain's Jonnie Peacock.
"There are so many athletes who are unknown but perhaps their names would have been known a lot better if they had been in the Olympic Games and competed for gold medals, " say Caraccioli.
Hamza Hussein was part of the Iraqi men's four team that came fifth whilst Haidar Rashid won one of just three Iraqi medals in the Games, taking bronze in the men's single sculls event.
It was at the Anchorage games that the United States emerged as the "premier power in world bearding, " according to Beard Team USA captain Phil Olsen, who predicts that America will net a staggering eight out of 17 possible gold medals at the games.
Its low tally of medals in the Olympic Games puts practically all other countries to shame.
It dissected problems and set a goal of 30 medals for the London Games.
Storey, 35, from Disley in Cheshire, has won a total of 22 medals in six Paralympic Games.
For his part, Craig DeMartino won two gold medals at the Extremity Games and he's in Greeley, Colorado.
The country won 47 medals at the Beijing Games in 2008, finishing fourth behind China, the United States and Russia.
He has the opportunity to break the Olympics' most hallowed record and eclipse Mark Spitz's seven gold medals in the 1972 games.
He is a multiple Paralympic champion, winning gold medals at the 2004 Games in Athens, at Beijing 2008 and at London 2012.
The U.S. win put an already unsurpassed Phelps at 22 total medals over three Olympic Games: 18 gold, two silver and two bronze.
Holm is the only Swede to win the Olympic title with former world record holder Patrik Sjoberg finishing among the minor medals in three successive Games.
Hoy won sprint, keirin and team sprint gold medals in Beijing to become the first Briton to win three gold medals at the same Games for 100 years.
Put together with artefacts from the Olympic Museum in Lausanne, Switzerland, it is a four-part historical tour of the ancient Olympics and their modern rebirth in the late 1800s, including a hall of past torches and a gallery of 16 extraordinary modern athletes profiled along with examples of medals from each modern Games.
Two economists, Andrew Bernard of the Tuck School of Business, and Meghan Busse of the Haas School of Business, accurately predicted the number of medals that American athletes would take home in the Sydney games four years ago (97), as well as the number of gold medals (39).
He won three gold medals at the Commonwealth Youth Games in 2008 which were held in India.
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