Boston Marathon Race Split Calculator

This calculator can be used to compute even effort splits for your time goal based on the actual terrain of the Boston Marathon Course. Using your recent race performances the calculator will predict a second set of splits for you based on your demonstrated ability.

The calculator does not take into account time lost at the start.

    Your Name                                 Age      Sex
    Your Marathon Goal Time     
                                 Distance         Time
    Recent Race Performances        
         (at least one)             
         (use k for km)