Topic Collection
Periodization Tools
Explore our curated collection of calculators and guides related to Periodization. Use these scientific tools to optimize your performance and health.
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PerformanceTraining Load Calculator — ATL, CTL & TSB Form Score
Calculate your Acute Training Load (ATL), Chronic Training Load (CTL), and Training Stress Balance (TSB) to identify your current form and optimal race window.
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PerformanceACWR Calculator — Acute:Chronic Workload Ratio for Runners
Compare this week's training load against your previous three weeks to spot an unintended ramp. Reports the uncoupled ratio, which avoids the statistical artefact in the original formula.
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