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Women's 400 Metres World Record
The first world record in the 400 m for women (athletics (sport), athletics) was recognized by the International Amateur Athletics Federation, now known as the World Athletics, in 1957. To June 21, 2009, the IAAF has ratified 27 world records in the event. Their 2009 record progression list, however, lists 26 records. Record progression 1957–1976 (y) indicates time for 440-yard dash, 440 yards (402.34 metres), ratified as a record for this event (+) plus sign denotes en route time during longer race The "Time" column indicates the ratified mark; the "Auto" column indicates a fully automatic time that was also recorded in the event when hand-timed marks were used for official records, or which was the basis for the official mark, rounded to the 10th of a second, depending on the rules then in place. Record progression from 1975 From 1975, the IAAF accepted separate automatically electronically timed records for events up to 400 metres. Starting January 1, 1977, the IAAF re ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
World Record
A world record is usually the best global and most important performance that is ever recorded and officially verified in a specific skill, sport, or other kind of activity. The book ''Guinness World Records'' and other world records organizations collates and publishes notable records of many. One of them is the World Records Union that is the unique world records register organization recognized by the Council of the Notariats of the European Union. Terminology In the United States, the form World's Record was formerly more common. The term The World's Best was also briefly in use. The latter term is still used in athletics events, including track and field and road running to describe good and bad performances that are not recognized as an official world record: either because it is not an event where the IAAF tracks the record (e.g. the 150 m run or individual events in a decathlon), or because it does not fulfill other rigorous criteria of an otherwise qualifying event (e. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |