Okay after looking at Pre's records I decided to look at the mile progression The above graph shows the mile and 800 meter progression over about 86 year period. The first line is the mythical 4 minute barrier and the second line is the two minute period (not so mythical). Anyway it would appear that an average of 0.36 seconds was taken off per year in the mile and about 0.13 seconds in the half mile. Both graphs are relatively linear and both records have now stood for 9 and 11 years respectively. This is the longest the mile record has stood and quite sometime for the 800. I wonder if no one runs the mile anymore? Has the metric mile taken over? In the interest of comparison the chart below shows the mile for swimming. I have no knowledge of swimming but the curve is very different (almost logarithmic) from running races?
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