Marco Altini’s Substack

Marco Altini’s Substack

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July 2025

Recent articles and updates [July 2025]
Heart rate variability (HRV), endurance coaching, training talk, wearables, entrepreneurship, and some ramblings.
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Marco Altini
[Research] More Evidence in Support of Morning Protocols
Are you still using wearables?
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Marco Altini
HRV-Guided Training: When To Hold Back and When To PUSH
Plot twist.
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Marco Altini
3
A Brief History of Heart Rate Variability-Guided Training
Origins, evidence and current recommendations for HRV-guided training
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Marco Altini
3
[Paper] Why We Must Stop Assuming and Estimating Menstrual Cycle Phases in Laboratory and Field-Based Sport Related Research
Full text available on Sports Medicine
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Marco Altini
Recent articles and updates [June 2025]
Heart rate variability (HRV), endurance coaching, training talk, wearables, entrepreneurship, and some ramblings.
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Marco Altini

June 2025

How to Manage Training Load Using HRV
A few tips and a case study
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Marco Altini
2
The Heat and Heart Rate Variability (HRV)
Acute and chronic responses.
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Marco Altini
2
[TrainingTalk] Low-Carb Snacks of the Week
Some alternatives for your Periodized Nutrition experiments
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Marco Altini
7
[Podcast, ITA🇮🇹] Periodizzazione della dieta nello sport di Endurance
Con Marco Perugini
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Marco Altini
Recent articles and updates [May 2025]
Heart rate variability (HRV), endurance coaching, training talk, wearables, entrepreneurship, and some ramblings.
 • 
Marco Altini
7
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