Running Pace Calculator
Calculate pace, speed, or finish time for any running distance.
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FreeCalorie Burn Calculator
Estimate calories burned during 40+ sports and activities.
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FreeSpeed, Distance & Time Calculator
Calculate any of speed, distance, or time when you know the other two.
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FreeRace Time Predictor
Predict your finish time for any race distance using the Riegel formula.
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FreeMax Heart Rate Calculator
Calculate your maximum heart rate using multiple validated formulas.
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