Archive - Marco Altini’s Substack

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What's your normal range for heart rate variability (HRV)?

Defining your frame of reference is key to interpreting and making use of the data

May 27 •

HRV4Training Pro: migration guide

how to try out our new web platform

May 20 •

Recommended sensors for heart rate variability (HRV) measurement in HRV4Training

May 16 •

Race day heart rate variability (HRV)

not all days are the same

May 11 •

100 km del Passatore: race simulation, second take

the day I needed

May 10 •

Sorting out metrics confusion

do you know what you are doing?

May 5 •

100 km del Passatore: race simulation learnings

time to make some adjustments

May 4 •

100 km del Passatore: race simulation

Testing the legs, the gut, the mind, the kit and the plan. Let's go.

May 3 •

How to turn the worst running economy ever measured into sub-3-hour marathon performance in only 14 years

May 1 •

April 2023

April recap 🗓️

a monthly newsletter

Apr 29 •

5 things I've done differently this year while preparing for a 100 km ultramarathon

training, racing, fueling, managing weight and heat acclimation

Apr 23 •

everything you need to know about VO2max estimates

how they work and how you can use them

Apr 17 •

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