Race Finish Time Predictor

    Enter a recent race result and your goal distance. Get a realistic, optimistic, and pessimistic finish time prediction — plus your VDOT and training paces based on Jack Daniels' formula.

    Your recent race

    Used to gauge how current this result is.

    Your goal race

    Enter a goal time or pace to see if it's within reach.

    We use cookies to improve your experience. Analytics cookies help us understand how you interact with our site. Learn more