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This list ranks completed and topped-out buildings in the United States that stand at least 800 feet (244 m) tall, based on standard height measurement which includes spires and architectural details, but excludes antenna masts. An equal sign (=) following a rank indicates the same height between two or more buildings.
The first world record in the men's 800 metres was recognized by the International Association of Athletics Federations in 1912. [1] As of June 21, 2011, 23 world records have been ratified by the IAAF in the event. [2] "y" denotes time for 880 yards (804.68 m) ratified as a record for the 800 m.
The second-tallest structure in the world is the 679-metre-tall (2,227 ft) Merdeka 118 in Kuala Lumpur, Malaysia, while the third-tallest self-supporting structure and the tallest tower in the world is the Tokyo Skytree (634 m or 2,080 ft). The tallest guyed structure is the KRDK-TV mast in North Dakota, U.S. at 630 metres (2,060 ft).
The 800 metres, or meters (US spelling), is a common track running event. It is the shortest commonly run middle-distance running event. The 800 metres is run over two laps of an outdoor (400-metre) track and has been an Olympic event since the first modern games in 1896. During the winter track season the event is usually run by completing ...
There are 14 mountains over 8,000 metres (26,247 ft), which are often referred to as the Eight-thousanders. (Some people have claimed there are six more 8,000m peaks in Nepal, making for a total of 20. [1])
800 m. Updated on July 24, 2022. Athing Mu (/ əˈθɪŋ moʊ /; [1] born June 8, 2002) [2] is an American middle-distance runner. She is the youngest woman in history to hold Olympic and world titles in an individual track and field event. At the age of 19, Mu won the gold medal in the 800 meters at the 2020 Tokyo Olympics, breaking a national ...
The world best time for a "football 40" is 4.17 by Deion Sanders, while the extrapolated best for an Olympic-level athlete (including reacting to a starting gun) is 4.24 by Maurice Greeneat the 2001 World Championships in Athletics. [255][256]Under conventional football timing on a turf field in 2017, Christian Colemanreportedly ran a 4.12.
Height above mean sea level is a measure of a location's vertical distance (height, elevation or altitude) in reference to a vertical datum based on a historic mean sea level. In geodesy, it is formalized as orthometric height. The zero level varies in different countries due to different reference points and historic measurement periods.