Being able to predict your time for an upcoming race can help you inform friends and family of probably finish times, determine your starting corral location, and maybe even help keep you humble when you’re feeling overly ambitious.
However, because running a half marathon in 2 hours does not guarantee a full marathon finish in 4 hours, how can you predict a finish time?
There are a couple of well-known prediction formulas that have been developed. The two most famous being the Pete Riegel formula and the David Cameron formula, both of which take into account your most recent race distance and race time. Enter your information below on your most recent race and see the prediction analysis for your next one!