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Updated: Jun 6, 2025

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The Training Intensity Distribution of Marathon Runners Across Performance Levels.

Daniel Muniz-Pumares1, Ben Hunter2, Samuel Meyler3

  • 1School of Life and Medical Sciences, University of Hertfordshire, Hatfield, UK. d.muniz@herts.ac.uk.

Sports Medicine (Auckland, N.Z.)
|December 1, 2024
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Summary
This summary is machine-generated.

Faster marathon runners train more, primarily in low-intensity zones (Z1). Most runners use a pyramidal training intensity distribution (TID), with elite athletes favoring this approach more.

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Area of Science:

  • Sports Science
  • Exercise Physiology
  • Running Performance

Background:

  • Training intensity distribution (TID) is crucial for athletic performance.
  • Limited research exists on TID across diverse marathon runner performance levels.

Purpose of the Study:

  • To analyze training characteristics and TID in marathon runners of varying abilities.
  • To identify how training volume and intensity distribution correlate with marathon performance.

Main Methods:

  • Analysis of training data from 119,452 runners over 16 weeks prior to 151,813 marathons.
  • Quantification of TID using a three-zone model (Z1, Z2, Z3) based on critical speed.
  • Comparison of training volume and TID across different marathon finish time categories.

Main Results:

  • Faster runners accumulated significantly higher training volumes, mainly in Z1.
  • The proportion of training in Z1 increased with faster marathon times.
  • A pyramidal TID approach was prevalent, especially among the fastest runners.

Conclusions:

  • Elite marathon runners achieve high volumes through increased Z1 training.
  • Marathon runners predominantly use a pyramidal TID, with faster runners showing higher adherence.
  • Training volume and Z1 proportion are key predictors of marathon performance.