Run for it ...Completely free!
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Calculate Time, Speed / Pace or Distance of your races and many more:
• Pace to speed converter;
• Get your predicted time for future races based on distances you've run;
• Calculate Your estimated and maximum heart rate;
• Calculate the calories burned during running;
• Calculate Your BMI;
• Get Your advised training paces, like easy run, tempo run and speed form;
• Convert km/miles, pace/speed, Celsius/Fahrenheid;
• "Shoe Lacing Techniques";
• Choose race strategy and calculate split times.