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The Rackets World Championships is the rackets leading event organised by the Tennis and Rackets Association. [1] The singles world championship began on a challenge basis in 1820, [2] with the doubles championship starting in 1990. [3] Due to safety concerns, women were banned from playing rackets until 2008: the women's singles championship ...
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Racket sports (or racquet sports) are games in which players use a racket or paddle to hit a ball or other object. [1] Rackets consist of a handled frame with an open hoop that supports a network of tightly stretched strings.
Rackets is played in a 30-by-60-foot (9.1 by 18.3 m) enclosed court, with a ceiling at least 30 feet (9.1 m) high. Modern rackets are 70 cm long, with a maximum strung area of 500 square centimetres (approximately 75 square inches) and a mass between 90 and 200 grams (4–7 ounces). Singles and doubles are played on the same court.
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 Greene at the 2001 World Championships in Athletics. [250] [251] Under conventional football timing on a turf field in 2017, Christian Coleman reportedly ran a 4.12 ...
Also in 1977, Darden was a member of two Arizona State record-breaking relay teams. The first tied the 4x220 yards world best with a time of 1:21.7 in Austin, Texas on April 1 at the Texas Relays. The second broke the world record for the 4×200 metres with a time of 1:21.4 in Philadelphia, Pennsylvania on April 30 at the Penn Relays. [5] [6]
By 1980, it grew to be the world's largest tennis racket manufacturer; its rackets were sold in more than 60 countries, accounting for 1/4 of the global market. [ 6 ] [ 10 ] At that time, ProKennex owned the world's largest tennis racket factory, and it also made rackets for other global brands such as Prince , Dunlop , Fischer , and Adidas .
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