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Target running time

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Target running time diagram
Assuming that you are consistently the same percentage off world record time, this calc gives you a target time for any distance, since world record times fall on a straight line on a log-log plot.
Distance run
Time taken
Distance of interest

Target time
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Men's world record times at distances from 100 m to 50 km were used for this algorithm, specially developed for CalcTool. Remember that different physiologies are better at running different distances, so this calc should only be used out of interest or as a rough guideline.
Enter a distance, your time for that distance, and a distance you are interested in, and let CalcTool do the rest!