Running
Marathon Taper Calculator
Plan a progressive reduction in running volume during the final weeks before a race.
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A taper reduces volume while preserving some intensity so fatigue falls without losing race readiness.
Method and limitations
A taper reduces volume while preserving some intensity so fatigue falls without losing race readiness. The exact method can differ between organisations, sports and populations, so use this page as a transparent starting point rather than a final decision.
For current standards, check the official governing body or competition notice. Keep a record of your inputs so you can compare changes over time under consistent conditions.
Frequently Asked Questions
Disclaimer: This calculator is for general education and fitness planning only. It does not provide medical advice or guarantee eligibility. Read the full disclaimer.