Cover art for All In Run Club Podcast - by Lee Grantham

He Ran a 1:36 Half. Six Weeks Later: 2:57 Marathon

All In Run Club Podcast - by Lee Grantham

Published
July 28, 2026
Duration
9:57
Summary source
description
Last updated
Jul 28, 2026

Discusses health.

Summary

He ran a 1:36 half marathon. Six weeks later: a 2:57 marathon — double the distance, nearly forty seconds per mile faster.Every race calculator says that cannot happen. It predicted 3:22. Here is why it was wrong, andwhy it might be wrong about your autumn marathon too.Race predictors assume two things: that your half was a maximal, tapered effort, and th…

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Show notes

He ran a 1:36 half marathon. Six weeks later: a 2:57 marathon — double the distance, nearly forty seconds per mile faster.Every race calculator says that cannot happen. It predicted 3:22. Here is why it was wrong, andwhy it might be wrong about your autumn marathon too.Race predictors assume two things: that your half was a maximal, tapered effort, and that therunner on marathon day is the same runner who raced it. Neither was true. His half was acheckpoint — placed mid-block, run controlled on

Themes

  • health