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The three-mile run event is a timed event where the Marine runs exactly three miles on reasonably flat ground, not on a treadmill, either indoors or outdoors, as quickly as possible. [11] Marines satisfying any of the following requirements [3] can, instead of running, opt to row 5000 meters on a rowing ergometer: 46 years or older
The faster the pace, the more calories burned if weight loss is a goal. Maximum heart rate for exercise (220 minus age), when compared to charts of "fat burning goals" support many of the references that give the average of 1.4 m/s (3.1 mph), as within this target range.
If a soldier had a permanent medical condition that kept him or her from conducting the two mile run, an alternative aerobic event consisting of either a 2.5-mile walk, an 800-yard swim, or 6.2-mile cycle ride could have been taken. There were no alternate events for the push-up or sit-up.
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 specific paces related to one's fitness to stimulate various physiological improvements.
The energetic cost of running can be quantified through the measurement of oxygen consumption (VO2) during running at a given submaximal speed. During aerobic activities (like submaximal running), VO2 provides an indirect estimate of energy expenditure. [8]
Pace [6] in minutes per kilometre or mile vs. slope angle resulting from Naismith's rule [7] for basal speeds of 5 and 4 km / h. [n 1] The original Naismith's rule from 1892 says that one should allow one hour per three miles on the map and an additional hour per 2000 feet of ascent. [1] [4] It is included in the last sentence of his report ...
The men's world record performance for 3000 m equates to a pace of 58.34 seconds per 400 m, which is closer to the 60.43 seconds for 5000 m than the 55.46 seconds for the mile. However, the 3000 m does require some anaerobic conditioning , and an elite athlete needs to develop a high tolerance to lactic acid , as does the mile runner.
John F. Kennedy came into office with a goal of improving the health of the nation as part of his New Frontier policy program. As President-elect, he wrote an article for Sports Illustrated, December 26, 1960, called "The Soft American" which warned that Americans were becoming unfit in a changing world where automation and increased leisure time replaced the benefits of exercise and hard work.