Marathon Prediction from Training Volume and Pace

A study published in 2011 by Giovanni Tanda at the University of Genova claimed that it was possible to predict the marathon times of a set of 22 runners to within a standard error of 4 minutes. This prediction was based on eight weeks of training prior to the marathon (excluding race week itself). If you've added some marathons to your Fetch Race Portfolio, you should see some information below replicating Tanda's prediction, along with your outcomes.

Enter your average weekly distance and pace in the eight weeks prior to your marathon (excluding race week):

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