Training Thresholds & ASR

LT1 / LT2 / MLSS and the Anaerobic Speed Reserve — estimated from your own field data (Buchheit–Sandford model). No lab lactate needed.
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Have lab/field lactate values? Analyze a step test directly — Dmax, Modified Dmax, Fixed 4 mmol/L & Log-Log (Cheng / Bishop / Mader / Beaver).
Lactate Step-Test Analyzer
Enter your incremental test (≥4 stages). Detects LT1 (Log-Log / Beaver) & LT2 (Dmax / Modified Dmax / Fixed 4 mmol). A preset is loaded — edit it.
Load (W)
HR (bpm)
Lactate (mmol/L)
Enter at least 4 valid stages to analyze.