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Marathon Handbook

The crazy effect a marathon has on your body

Published 1 day ago • 1 min read

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Here’s your free but abridged version of this week’s “Run Long, Run Healthy” newsletter. Subscribe here to receive the full edition with more on the latest scientific articles and research on training, nutrition, shoes, injury prevention, and motivation.

🧠 The Crazy Effect A Marathon Has On Your Body

What really happens to your body after 26.2 miles? New research from Boston Marathon finishers reveals something most runners never think about — and it’s not just sore legs.

RELATED ARTICLE: Running Recovery: The Best Post-Run Routine

Latest RLRH Episode: The Consequences of Delaying Post-Run Carbs

Or listen and subscribe to the show wherever you get your podcasts:

⚡ More Durable Runners Do This During a Marathon

A new study might explain why some runners hold strong while others fade. The key? It’s not just pacing — it’s what your body does when fatigue hits.

RELATED ARTICLE: Zone 2 Training: Overhyped or Essential for Endurance? Experts Weigh In

⛰️ Sleep and Rest Days Predict Injury Risk in Trail Runners

It turns out the secret to staying injury-free on the trails isn’t what you’d expect — and it starts long before you lace up your shoes.

RELATED ARTICLE: Sleep: The Essential Part of Training That Most Runners Overlook

👟 The 15 Best Running Shoes of 2025, Ranked; For Every Type of Run and Runner

Hundreds of miles. Dozens of models. One definitive list.

From the best daily trainers to race-day supershoes, here’s our 2025 ranking of the best running shoes, brutally tested and honestly reviewed.

That’s all for now. Thanks for reading. As always—Run Long, Run Healthy.

~Brady~

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