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  2. 400 metres - Wikipedia

    en.wikipedia.org/wiki/400_metres

    The 400 metres, or 400-meter dash, is a sprint event in track and field competitions. It has been featured in the athletics programme at the Summer Olympics since 1896 for men and since 1964 for women. On a standard outdoor running track, it is one lap around the track. Runners start in staggered positions and race in separate lanes for the ...

  3. List of tallest structures – 400 to 500 metres - Wikipedia

    en.wikipedia.org/wiki/List_of_tallest_structures...

    Oklahoma City, Oklahoma. also known as KWTV Tower, World's tallest structure, 1954–1956, Dismantled in 2015. 35°32′58.59″N97°29′50.27″W / 35.5496083°N 97.4972972°W / 35.5496083; -97.4972972 (Griffin Television Tower Oklahoma) Viacom Tower Riverview [ 1 ] 1,575 feet.

  4. Flight level - Wikipedia

    en.wikipedia.org/wiki/Flight_level

    Flight level. In aviation, a flight level (FL) is an aircraft's altitude as determined by a pressure altimeter using the International Standard Atmosphere. It is expressed in hundreds of feet or metres. The altimeter setting used is the ISA surface pressure of 1013 hPa or (29.92 inHg).

  5. List of tallest buildings and structures - Wikipedia

    en.wikipedia.org/wiki/List_of_tallest_buildings...

    Completed in 1905, it reached a height of 364 feet (111 meters) to its roof, or 420 feet (130 meters) including its rooftop flagpole, which the Times hoped would give it a record high status but because a flagpole is not an integral architectural part of a building, One Times Square was not generally considered to be taller than the 390-foot ...

  6. Height above mean sea level - Wikipedia

    en.wikipedia.org/wiki/Height_above_mean_sea_level

    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.

  7. List of visionary tall buildings and structures - Wikipedia

    en.wikipedia.org/wiki/List_of_visionary_tall...

    Aimed at helping put an end to major congestion and lack of greenspace in the Tokyo; 400 m (1,312 ft) wide at the base for a total floor area of 8 km 2 (3.1 sq mi); drawn by construction firm Takenaka for the city of Tokyo in 1989, its design was the first of the modern super-tall mega-structures to gain serious attention and consideration by ...

  8. List of tallest structures – 300 to 400 metres - Wikipedia

    en.wikipedia.org/wiki/List_of_tallest_structures...

    It contains past or present structures of any type, at least 300 metres (984 ft) tall, but lower than 400 metres (1,312 ft). Other parts are: List of tallest structures; List of tallest structures – 400 to 500 metres; See the first part for terminology and general introduction. For terminology and notes see the first part of the list.

  9. Femke Bol - Wikipedia

    en.wikipedia.org/wiki/Femke_Bol

    Contents. Femke Bol. Femke Bol (pronounced [ˈfɛmkə ˈbɔl] ⓘ; born 23 February 2000) is a Dutch track and field athlete who competes in hurdling and sprinting. She specialises in the 400 metres hurdles, where she is the 2023 World Champion, and in the 400 metres, where she is the 2024 World Indoor Champion and the short track world record ...