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A nautical mile is a unit of length used in air, marine, and space navigation, and for the definition of territorial waters. [2] [3] [4] Historically, it was defined as the meridian arc length corresponding to one minute ( 1 / 60 of a degree) of latitude at the equator, so that Earth's polar circumference is very near to 21,600 nautical miles (that is 60 minutes × 360 degrees).
A four-minute mile is the completion of a mile run (1.6 km) in four minutes or less. It translates to a speed of 15 miles per hour (24 km/h). [ 1 ] It is a standard of professional middle distance runners in several cultures.
Minutes (′) and seconds (″) of arc are also used in cartography and navigation. At sea level one minute of arc along the equator equals exactly one geographical mile (not to be confused with international mile or statute mile) along the Earth's equator or approximately one nautical mile (1,852 metres; 1.151 miles). [14]
Let’s say Taylor held a pace of 9 minutes per mile for the entire set list, that’s 21.6 miles. (A 9:09 pace for 26.2 miles would put Taylor just under the four-hour mark.)
This is a list of American high school students who have run a four-minute mile since the feat was first accomplished in 1964. The first person to run the mile (1,760 yards, or 1,609.344 metres) in under four minutes was Roger Bannister in 1954, in a time of 3:59.4. [1]
How long it will take you to get in this many steps is also pretty individualized: “If you’re walking at a moderate pace of approximately 3.0 mph, or 20 minutes per mile, it would take ...
During running, the speed at which the runner moves may be calculated by multiplying the cadence (steps per minute) by the stride length. Running is often measured in terms of pace, [54] expressed in units of minutes per mile or minutes per kilometer (the inverse of speed, in mph or km/h). Some coaches advocate training at a combination of ...
Jennifer Woehler, who ran the international half-marathon, averaged 10½ minutes per mile, and Taylor Swift was the inspiration for her to keep going. “I turned 40 this year,” said the Ira ...