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) elevation of the course is flat at 295 meters above sea level, hence this is considered a low-altitude location (<700 meters) per IHPVA/WHPVA rules. Barbara Buatois went on to set the ladies 200-meter top speed record of 75 mph at Battle Mountain in 2009 and 2010, and also finish the 2010 RAAM Race Across America as the #1 lady finisher. She used a Stock recumbent for this ride across America. Chris Boardman's UCI Absolute (formerly known as Best Human effort) Hour record of 56.375 km (35.03 miles) has now been bettered twice by a rider on an unfaired recumbent bicycle,