Miles per hour be used to express the speed of delivery of a ball in sporting events such as cricket, tennis and baseball. Miles per hour Miles per hour (abbreviated mph, MPH or mi/h) is an imperial and United States customary unit of speed expressing the number of statute miles covered in one hour. It is used in the United States, United Kingdom and many Commonwealth nations, particularly in the Caribbean region. Speed limits and road traffic speeds are given in miles per hour in the following jurisdictions (elsewhere kilometers per hour are used): Road traffic speeds in other countries are indicated in
Hour record (recumbents) record of 52.074 km (32.357 miles) this time on the M5 Carbon High-Racer recumbent. These records are recognized by the WRRA World Recumbent Racing Association. Details of the race weekend here: Barbara Buatois of France set two Ladies Unfaired Recumbent One-Hour records within two weeks in October 2009. She rode a Zockra Le Rapide recumbent. At the Apeldoorn event on October 17, 2009, she rode 46.048 km (28.613 miles), a mark which would have also broken the long-standing men's record of Francis Faure from 1933. Two weeks later, at the Velodrome du Lac in Bordeaux, France, Buatois rode 46.348 km