1.
Hurdling
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Hurdling is the act of running and jumping over an obstacle at speed. In the early 19th century, hurdlers ran at and jumped over each hurdle, after experimenting with different step patterns the 3-step for high hurdles, 7-step for low hurdles, and 15-step for intermediate hurdles was decided on. In the sport of athletics, hurdling forms the basis of a number track, in these events, a series of barriers known as hurdles are set at precisely measured heights and distances which each athlete must pass by running over. Failure to pass over, by passing under, or intentionally knocking over hurdles will result in disqualification, accidental knocking over of hurdles is not cause for disqualification, but the hurdles are weighted to make doing so disadvantageous. Hurdle design improvements were made in 1935, when they developed the L-shaped hurdle, with this shape, the athlete could hit the hurdle and it will tip down, clearing the athletes path. The two shorter distances take place on the straight of a track, while the 400 m version covers one whole lap of a standard oval track. Events over shorter distances are commonly held at indoor track and field events. Women historically competed in the 80 meters hurdles at the Olympics in the mid-20th century, hurdles race are also part of combined events contests, including the decathlon and heptathlon. In track races, hurdles are normally between 68–107 cm in height, and vary depending on the age and gender of the hurdler, events from 50 to 110 meters are technically known as high hurdles races, while longer competitions are low hurdles races. The track hurdles events are forms of sprinting competitions, although the 400 m version is less anaerobic in nature, a hurdling technique can also be found in the steeplechase, although in this event athletes are also permitted to step on the barrier to clear it. Similarly, in cross country running athletes may hurdle over various natural obstacles, such as logs, mounds of earth, horse racing has its own variant of hurdle racing, with similar principles. The standard sprint or short hurdle race is 110 meters for men and 100 meters for women, the standard amount of steps to the first hurdle should be 8. The standard long hurdle race is 400 meters for men and women. Each of these races is run over ten hurdles and they are all Olympic events, the mens 200 meters low hurdles event was on the Olympic athletics programme for the 1900 and 1904 Summer Olympics. These low hurdles events were widely participated in the part of the 20th century. However, beyond these two Olympic outings, they never gained a consistent place at international competitions and became increasing rare after the 1960s and this 10-hurdle race continues to be run in places such as Norway. Other distances are run, particularly indoors but occasionally outdoors, the sprint hurdle race indoors is usually 60 meters for both men and women, although races 55 meters or 50 meters long are sometimes run, especially in the United States. A60 meter indoor race is run over 5 hurdles, a shorter race may occasionally have only 4 hurdles
2.
100 metres hurdles
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The 100 metres hurdles, or 100-meter hurdles, is a track and field event run mainly by women. For the race, ten hurdles of a height of 83.8 centimetres are placed along a course of 100 metres. The first hurdle is placed after a run-up of 13 metres from the starting line. The next 9 hurdles are set at a distance of 8.5 metres from each other, the hurdles are set up so that they will fall over if bumped into by the runner, but weighted so this is disadvantageous. Fallen hurdles do not count against runners provided that they do not run them on purpose. Like the 100 metres sprint, the 100 m hurdles begins with athletes in starting blocks, the fastest 100 m hurdlers run the distance in a time of around 12.5 seconds. The world record set by Kendra Harrison stands at 12.20 seconds, the Olympic Games had included the 80 m hurdles in the program from 1932 to 1968. Starting with the 1972 Summer Olympics the womens race was lengthened to 100 m hurdles, the hurdles sprint race has been run by women since the beginning of womens athletics, just after the end of World War I. The distances and hurdle heights varied widely in the beginning, while the men had zeroed in on the 110 m hurdles, the International Womens Sport Federation had registered records for eight different disciplines by 1926. At the first Womens World Games in 1922 a 100 m hurdles race was run, from 1926 until 1968 on only the 80 m distance was run. For the 80 m race women had to clear eight hurdles placed at a distance of 8 metres from each other and a height of 76.2 cm. Just like with the races, until 1935 no more than three hurdles could be knocked over and records were only officially registered if the runner had cleared all her hurdles clean. In 1935, this rule was abandoned, and L-shaped hurdles were introduced that fell over forward easily and greatly reduced the risk of injury to the runner. Hurdles are weighted, so when properly set for the height, the 80 m hurdles was on the list of womens sports demanded by the International Womens Sport Federation for the Olympic Summer Games in 1928, but wasnt included as an Olympic discipline until 1932. Starting with 1949 the 80 m hurdles was one of the disciplines included in the womens pentathlon, during the 1960s some experimental races were run over a distance of 100 metres using hurdles with a height of 76.2 cm. The modern 100 m race has an extra 2 hurdles compared to the 80 m race, the home stretch is shorter by 1.5 m. A version of the 100 metres hurdles is also used for 50- to 59-year-old men in Masters athletics and they run the same spacing as women, which coordinates with existing markings on most tracks, but run over 36-inch hurdles. In the 60-69 age range, the spacings are changed, women over age 40, men over age 70 run 80 metre versions with different heights and spacings
3.
1988 Summer Olympics
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The 1988 Summer Olympics, officially known as the Games of the XXIV Olympiad, were an international multi-sport event celebrated from 17 September to 2 October 1988 in Seoul, South Korea. They were the second summer Olympic Games to be held in Asia, in the Seoul Games,159 nations were represented by a total of 8,391 athletes,6,197 men and 2,194 women. 263 events were held and 27,221 volunteers helped to prepare the Olympics,11,331 media showed the Games all over the world. These were the last Olympic Games for two of the worlds dominating sport powers, the Soviet Union and East Germany, as both ceased to exist before the next Olympic Games. North Korea, still officially at war with South Korea, and its allies, Albania, Ethiopia, Cuba, Madagascar, Nicaragua boycotted the games because of the U. S. military support to the Contra rebels. However, the much larger boycotts seen in the previous three Summer Olympics were avoided, resulting in the largest ever number of participating nations during the Cold War era, before the opening of the games, thousands of homeless were captured by the police and sent to work camps. Several died under torture. ′ Seoul was chosen to host the Summer Games through a vote held on 30 September 1981, below was the vote count that occurred at the 84th IOC Session and 11th Olympic Congress in Baden-Baden, West Germany. After the Olympics were awarded, Seoul also received the opportunity to stage the 10th Asian Games in 1986, Soviet Vladimir Artemov won four gold medals in gymnastics. Daniela Silivaş of Romania won three and equalled compatriot Nadia Comănecis record of seven Perfect 10s in one Olympic Games, to these medals, she added a gold in the 4×100 relay and a silver in the 4×400. Just after the Games, she announced her retirement, Canadian Ben Johnson won the 100 m final with a new world record, but was disqualified after he tested positive for stanozolol. Johnson has since claimed that his positive test was the result of sabotage, the US finishes in fourth place after the completion of the optional rounds with a combined score of 390.575, three tenths of a point behind the German Democratic Republic. The USSR won their team gold medals in artistic gymnastics on both the mens and womens sides with scores of 593.350 and 395.475 respectively. The mens team was led by Vladimir Artemov, while Elena Shushunova lead the womens team, lawrence Lemieux, a Canadian sailor in the Finn class, was in second place and poised to win a silver medal when he abandoned the race to save an injured competitor. He arrived in 21st place, but was recognized by the IOC with the Pierre de Coubertin medal honoring his bravery and sacrifice. U. S. diver Greg Louganis won back-to-back titles on both diving events, but only hitting the springboard with his head in the 3 m event final. This became a minor controversy years later when Louganis revealed he knew he was HIV-positive at the time, since HIV cannot survive in open water, no other divers were ever in danger. Christa Luding-Rothenburger of East Germany became the first athlete to win Olympic medals at the Winter Olympics and she added a cycling silver to the speed skating gold she won earlier in the Winter Olympics of that year in Calgary. Swimmer Kristin Otto of East Germany won six gold medals, other multi-medalists in the pool were Matt Biondi and Janet Evans
4.
Gail Devers
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Yolanda Gail Devers is an American retired track and field athlete. A two-time Olympic champion in the 100 meters for the USA and she won a third Olympic gold medal in the 4 x 100m relay in 1996. She is also the 1993 World champion in the 100m and a three-time World champion in the 100m hurdles, in 2011, she was inducted into the National Track and Field Hall of Fame. Devers was born in Seattle, Washington, and grew up near National City, California, graduating from Sweetwater High School in 1984. A young talent in the 100 m and 100 m hurdles, Devers was in training for the 1988 Summer Olympics, started experiencing problems, suffering from among others migraine. She qualified for the Olympics 100 m hurdles, in which she was eliminated in the semi-finals, in 1990, she was diagnosed with Graves disease and underwent radioactive iodine treatment followed by thyroid hormone replacement therapy. During her radiation treatment, Devers began to develop blistering and swelling of her feet, eventually, the sprinter could barely walk and had to crawl and or be carried. A doctor considered amputating her feet, amazingly, Devers recovered after the radiation treatment was discontinued, and she resumed training. At the 1991 World Championships, she won a medal in the 100 m hurdles. At the 1992 Summer Olympics, Devers starred and she qualified for the final of the 100 m, which ended in an exciting finish, with five women finishing close. The photo finish showed Devers had narrowly beaten Jamaican Juliet Cuthbert, in 1993, Devers won the 100 m World Championship title after - again - a photo finish win over Merlene Ottey in an apparent dead heat, and the 100 m hurdles title. She retained her hurdles title in 1995, the 100 m final at the 1996 Summer Olympics was an almost exact repeat of the World Championships final three years before. Ottey and Devers again finished in the time and did not know who had won the race. Again, both were awarded the same time, but Devers was judged to have finished first and became the first woman to retain the Olympic 100 m title since Wyomia Tyus. In the final of her event, Devers again failed, as she finished fourth. With the 4 ×100 m relay team, Devers won her third Olympic gold medal, after these Olympics, Devers concentrated on the hurdles event, winning the World Championship again in 1999, but she had to forfeit for the semi-finals at the 2000 Summer Olympics. Devers left competition in 2005 to give birth to a child with her husband, furthermore, the time bettered the listed World Record for a 40-year-old by almost 7 tenths of a second. During her career, Devers was notable for having exceptionally long, one of the fastest starters in the world, Devers even had to alter her starting position to accommodate her long nails
5.
United States
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Forty-eight of the fifty states and the federal district are contiguous and located in North America between Canada and Mexico. The state of Alaska is in the northwest corner of North America, bordered by Canada to the east, the state of Hawaii is an archipelago in the mid-Pacific Ocean. The U. S. territories are scattered about the Pacific Ocean, the geography, climate and wildlife of the country are extremely diverse. At 3.8 million square miles and with over 324 million people, the United States is the worlds third- or fourth-largest country by area, third-largest by land area. It is one of the worlds most ethnically diverse and multicultural nations, paleo-Indians migrated from Asia to the North American mainland at least 15,000 years ago. European colonization began in the 16th century, the United States emerged from 13 British colonies along the East Coast. Numerous disputes between Great Britain and the following the Seven Years War led to the American Revolution. On July 4,1776, during the course of the American Revolutionary War, the war ended in 1783 with recognition of the independence of the United States by Great Britain, representing the first successful war of independence against a European power. The current constitution was adopted in 1788, after the Articles of Confederation, the first ten amendments, collectively named the Bill of Rights, were ratified in 1791 and designed to guarantee many fundamental civil liberties. During the second half of the 19th century, the American Civil War led to the end of slavery in the country. By the end of century, the United States extended into the Pacific Ocean. The Spanish–American War and World War I confirmed the status as a global military power. The end of the Cold War and the dissolution of the Soviet Union in 1991 left the United States as the sole superpower. The U. S. is a member of the United Nations, World Bank, International Monetary Fund, Organization of American States. The United States is a developed country, with the worlds largest economy by nominal GDP. It ranks highly in several measures of performance, including average wage, human development, per capita GDP. While the U. S. economy is considered post-industrial, characterized by the dominance of services and knowledge economy, the United States is a prominent political and cultural force internationally, and a leader in scientific research and technological innovations. In 1507, the German cartographer Martin Waldseemüller produced a map on which he named the lands of the Western Hemisphere America after the Italian explorer and cartographer Amerigo Vespucci
6.
Seoul
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The Seoul Capital Area houses up to half of the countrys population of 50.22 million people with 678,102 international residents. Situated on the Han River, Seouls history stretches back more than two years when it was founded in 18 BCE by Baekje, one of the Three Kingdoms of Korea. It continued as the capital of Korea under the Joseon Dynasty, the Seoul Capital Area contains five UNESCO World Heritage Sites, Changdeok Palace, Hwaseong Fortress, Jongmyo Shrine, Namhansanseong and the Royal Tombs of the Joseon Dynasty. Seoul is surrounded by mountains, the tallest being Mt. Bukhan, in 2015, it was rated Asias most livable city with the second highest quality of life globally by Arcadis. In 2014, the citys GDP per capita of $39,786 was comparable to that of France and Finland. Ranked sixth in the Global Power City Index and Global Financial Centres Index, Seoul is the worlds most wired city and ranked first in technology readiness by PwCs Cities of Opportunity report. It is served by the KTX high-speed rail and the Seoul Subway, providing 4G LTE, WiFi, Seoul is connected via AREX to Incheon International Airport, rated the worlds best airport nine years in a row by Airports Council International. Lotte World Tower, a 556-metre supertall skyscraper with 123 floors, has built in Seoul and become the OECDs tallest in 2016. Its Lotte Cinema houses the worlds largest cinema screen, Seouls COEX Mall is the worlds largest underground shopping mall. Seoul hosted the 1986 Asian Games,1988 Summer Olympics,2002 FIFA World Cup, the Miss Universe 1980 pageant, a UNESCO City of Design, Seoul was named the 2010 World Design Capital. The city has known in the past by the names Wirye-seong, Hanju. During Japans annexation in Korea, Hanseong was renamed to Keijō by the Imperial authorities to prevent confusion with the hanja 漢, in reality, the ancient name of Seoul, Hanseong, originally had the meaning of big or vast. Its current name originated from the Korean word meaning city, which is believed to be derived from the word Seorabeol, which originally referred to Gyeongju. Unlike most place names in Korea, Seoul has no corresponding hanja, on January 18,2005, Seoul government officially changed its official Chinese language name to Shouer from the historic Hancheng, of which use is becoming less common. Settlement of the Han River area, where present-day Seoul is located, Seoul is first recorded as Wiryeseong, the capital of Baekje in the northeastern Seoul area. There are several city walls remaining in the area date from this time. Pungnaptoseong, a wall just outside Seoul, is widely believed to have been at the main Wiryeseong site. As the Three Kingdoms competed for this region, control passed from Baekje to Goguryeo in the 5th century
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