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 performance under the new rules, in addition to a British and masters world hour record in able-bodied cycling. The first attempt on a para-cycling hour record after the new regulations were extended to para-cycling was by Irishman Colin Lynch in the C2 category, bettering the accepted best performance previously set by Laurent Thirionet in 1999 by 2 kilometres, and setting the first 'ratified' para-cycling world hour record. The mark of 43.133 km was achieved on 1 October at the National Cycling Centre in Manchester, Great Britain. Hour record The hour record is the record for the longest distance cycled in