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Tell us how fast you ran a previous race, and we’ll give you predicted race times for all common race distances from 5k to 200 miles. Our race time calculator displays the results from two common prediction methods side-by-side.
Predict your finishing time for your next race (be it a 5k, 10k, half marathon, marathon or ultra) on the basis of a previous race finishing time.
Our most accurate marathon prediction tool yet. Input two recent race results along with your weekly training mileage to get your predicted time.
Welcome to our advanced marathon race time calculator! Simply enter how fast you’ve run one or two previous races and how much you’ve been training approximately per week, and this calculator will predict how fast you’d run a marathon.
Predict your race finish time with Strava's free running pace calculator. Choose your race distance: 5K, 10K, 10 mile, Half Marathon, Marathon, or 50K.
The race finish calculator below lets you enter a finish time and distance of a previous race or training run and projects what your finish time and pace will be at a longer distance. This calculator is based on the well known fact that a runner's pace slows down at longer distances.
Omni's race predictor is a helpful tool for all runners and athletes who want to develop their race results. Based on your previous running scores, our running time calculator will foresee the time for another run competition.
