# 301. "How Much is Too Much" - New Research Redefines Marathon Training

Page: https://stenobird.com/podcast/marathon-running-podcast-by-marathon-journal-548568/301-how-much-is-too-much-new-research-redefines-marathon-training
Text version: https://stenobird.com/podcast/marathon-running-podcast-by-marathon-journal-548568/301-how-much-is-too-much-new-research-redefines-marathon-training.md
Podcast: [Marathon Running Podcast by Marathon Journal](https://stenobird.com/podcast/marathon-running-podcast-by-marathon-journal-548568)
Published: 2026-02-16T09:00:00+00:00
Episode link: https://podcasters.spotify.com/pod/show/marathonjournal/episodes/301--How-Much-is-Too-Much---New-Research-Redefines-Marathon-Training-e3e714s
Audio file: https://traffic.megaphone.fm/APO1026593587.mp3
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Duration seconds: 1614

## Resource

In this episode of the Marathon Running Podcast , updates and expert insights to keepyou informed on the latest in running and competitive sports. We sit down with Arj Thiruchelvam , performance coach and founder of Performance Physique, todiscuss a groundbreaking study published in the British Journal of Sports Medicine . We asked Arj to help us redefine "how much is too much" and why your smartwatch might be giving you a false sense of security regarding your training load. We tease the "30-Day Window" and why a single-session distance spike is the most dangerous move a marathoner can make. Why You Should Listen: You will learn how to scientifically audit your training month to prevent overuse injuries and why structural "load tolerance" is different from aerobic fitness. Our guest this episode: Arj Thiruchelvam — performancephysique.co.uk Connect with Us: Our website: https://www.marathonjournal.com YouTube: https://youtube.com/@marathonjournal Instagram: https://www.instagram.com/runningpodcast Followus on Strava: https://www.strava.com/athletes/30798607

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