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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 ...
Femke Bol. Femke Bol (pronounced [ˈfɛmkə bɔl] ⓘ; 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 holder.
This is a part of the list of tallest structures in the world, past and present of any type.. This list includes quite a lot of masts. A mast is a man-made support structure, commonly used on sailing ships as support for sails, or on land as radio masts and towers used to support telecommunication equipment such as radio antennas ("aerials" in the UK).
List of United States records in track and field. Tyson Gay currently holds the national record for the 100 m. The following are the national records in track and field in the United States. Some of the records are maintained by USA Track & Field (USATF). Outdoor times for track races between 200 meters to 10,000 meters are set on 400-meter ...
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.
The 828-metre (2,717 ft) tall Burj Khalifa in Dubai has been the tallest building since 2010. [ 1 ] The Burj Khalifa has been classified as megatall. [ 2 ] A diagram showing the tallest buildings as of 2024. This is a list of the tallest buildings.
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).
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).