Answer:
If you're new to running, you might run one mile in closer to 12 to 15 minutes as you build up endurance. Elite marathon runners average a mile in around 4 to 5 minutes. The current world record for one mile is 3:43.13, set by Hicham El Guerrouj of Morocco in 1999.
Explanation:
The most common advice isthat your long runs should be done at marathon pace (MP) plus about one minute per mile – sometimes described as MP plus 20%. ... When you get to a three-hour marathoner – 6 min 52sec per mile – the numbers don't work quite so well. If you add one minute per mile, you get to 7min 52sec.Mar
Faster runners, though, can cover a lot more distance in 3.5 hours. This is where your goal time comes into play: If the average marathon finisher runs a 10-minute mile, their longest run should be 21 miles. Fuel every 45-60 minutes during a long run, with around 30-60 grams of carbohydrate (120-140 calories) per hour (e.g. a large banana, white bread honey sandwich or energy gels), and don't forget to stay hydrated with plenty of fluids and electrolytes.
Across the board, most people finish a marathon in 4 to 5 hours, with an average mile time of 9 to 11.5 minutes. A finishing time that's under 4 hours is a real accomplishment for everyone other than elite runners, who can finish in around 2 hours. The distance of 20 miles is an arbitrary number that became popular for its roundness. Focus instead should be on “time on feet” with a training plan consisting of 3-6 runs of up to 3 hours long. Depending on the runner's pace, this approach allows multiple long runs of 16 miles or more.
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