⚡ Running Scientific Engines
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Minetti Grade Adjusted Pace (GAP)
5th-degree polynomial metabolic cost modeling ($C_r$) normalizing undulating trail and hill repeats to flat track equivalents.
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Critical Speed & 5-Zone Matrix
Derive your metabolic threshold velocity ($CS$) and automatically cascade personalized recovery, tempo, threshold, and VO2max pace intervals.
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Jack Daniels VDOT Race Modeling
Determines your effective aerobic capacity from workout benchmarks, calculating realistic finish times for 5K, 10K, Half Marathon, and Marathon.
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Biomechanical Dynamics & Stryd Power
Ground Contact Time (GCT), Vertical Oscillation (VO), Cadence SPM, and Stryd running power ($rFTP$ & $rTSS$) telemetry tracking.
Explore Other Disciplines & Analytics
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System Overview
Nordic endurance architecture, PMC impulse-response models, and multi-sport fatigue decay.
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Cycling Analytics
Auto-CP detection, Power Duration Curve, Durability kJ profiling & Coggan 7 zones.
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Swimming Hydrodynamics
Critical Swim Speed (CSS), SWOLF efficiency, pool vs open-water telemetry & sTSS.