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The first world record in the 100 metres freestyle in long course (50 metres) swimming was recognised by the International Swimming Federation (FINA) in 1905. [1] In the short course (25 metres) swimming events, the world's governing body recognizes world records since 3 March 1991.
The Billboard Hot 100 is the main song chart of the American music industry and is updated every week by the Billboard magazine. During the 1970s the chart was based collectively on each single's weekly physical sales figures and airplay on American radio stations.
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- Records 1912–1976
- Records Since 1977
- Low-Altitude Record Progression 1968–1987
The first manual time of 9.9 seconds was recorded for Bob Hayes in the final of the 100 metres at the 1964 Olympics. Hayes' official time of 10.0 seconds was determined by rounding down the electronic time of 10.06 to the nearest tenth of a second, giving the appearance of a manual time. This method was unique to the Olympics of 1964 and 1968, and ...
Since 1975, the IAAF has accepted separate automatically electronically timed records for events up to 400 metres. Starting on January 1, 1977, the IAAF has required fully automatic timingto the hundredth of a second for these events. Jim Hines' October 1968 Olympic gold medal run was the fastest recorded fully electronic 100 metre race up to that ...
The IAAF considers marks set at high altitude as acceptable for record consideration. However, high altitude can significantly assist sprint performances. One estimate suggests times in the 200 m sprint can be assisted by between 0.09 s and 0.14 s with the maximum allowable tailing wind of (2.0 m/s), and gain 0.3 s at altitudes over 2000 m.For this...
List of largest companies by revenue. This list comprises the world's largest companies by consolidated revenue, according to the Fortune Global 500 2023 rankings and other sources. [ 2] American retail corporation Walmart has been the world's largest company by revenue since 2014. [ 1] The list is limited to the largest 50 companies, all of ...
He broke into the top 100 in rankings in May 2021, and ended that year in the top 35 after reaching his first major quarterfinal at the US Open. In March 2022, Alcaraz won his first Masters 1000 title at the Miami Open at the age of 18, and then won his second at the Madrid Open where he defeated Rafael Nadal , Novak Djokovic , and ...
Novak Djokovic holds the all-time record of 24 major singles titles, including a record 10 Australian Open titles. He is the only singles player to hold all four majors simultaneously across three different surfaces (2016), and the only one to complete a triple Career Grand Slam (2023).
