Race Predictor

Created by Luis Fernando
Last updated: Jun 24, 2022
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.
Luis Fernando
Recent run data
Run distance
km
Run time
hrs
min
sec
Predictions for new run
New run distance
km
Predicted time
hrs
min
sec
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