VDOT Calculator
Enter a race result to get your VDOT, training paces, and race predictions.
Race Result
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:
Your VDOT
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Race Predictions
Training Paces
E Easy ·
M Marathon ·
T Threshold ·
I Interval ·
R Repetition
Beyond a calculator — AI analyzes every run
TT Runner tracks your VDOT automatically and provides deep AI-powered analysis for every run.
🤖AI Coaching Report — Pace analysis, injury risk, and actionable insights written by LLM after each run
📈Auto VDOT Tracking — Records VDOT changes over time and visualizes your fitness trend
🎯Training Zone Detection — Automatically classifies E/M/T/I/R zones per run with accuracy scoring
📋Weekly AI Report — Training balance, volume trends, and next-week recommendations at a glance
What is VDOT?
VDOT is a measure of running ability created by Dr. Jack Daniels in Daniels' Running Formula.
It combines VO2max and running economy into a single number that can predict race times and determine optimal training paces.
This calculator uses the same algorithm as the TT Runner app.
This calculator uses the same algorithm as the TT Runner app.