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Critical Speed Calculator | Sports Calculator
Critical Speed Calculator - Critical speed from two time trials
Built by an engineer who chases finish lines and is obsessed with data. Thomas Prommer — technology executive who has worked with Google, Apple, Nike, Adidas, Netflix and other global brands. Also an Ironman finisher, HYROX Pro Division competitor, and marathon runner. These tools combine engineering rigor with real race experience.
Critical Speed Calculator
Critical speed from two time trials.
Methodology
Critical speed from two time trials. CS = (D2-D1)/(T2-T1). Approximates lactate threshold pace. Use 3min and 12min tests.
FAQ
How does this calculator work?
Critical speed from two time trials. CS = (D2-D1)/(T2-T1). Approximates lactate threshold pace. Use 3min and 12min tests.
How accurate is this?
Based on established sports science formulas and research.
Who should use this?
Athletes, coaches, and fitness enthusiasts of all levels.
Should I consult a professional?
Yes, especially before major changes to training or for health conditions.
Results are estimates. Consult a professional for personalized guidance.