
Will Santa Deliver the Sub-2-Hour Marathon?
And What Is the Real Gift to Smash YOUR Record?
I'm a full professor at the University Paris Saclay, and I'm also a former elite runner and coach. Ten years ago, I set up Billatraining as a start-up to fund my students' PhD grants and to focus on other things, like pacing and training.
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And What Is the Real Gift to Smash YOUR Record?

What if a single World Championship final could give us back the wisdom we need in everyday life: daring to

EEG, VO₂ and AI that confirms intuition — variability beats the myth of the “constant pace”.

Towards Modern, Individualized Physical Education and Training with the RABIT Test

Marathon: Constant Pace or Varying Pace?

…and why vVO₂max belongs in context

When Strength Is the Key to Breaking Through the Wall

Ever since 'super shoes' appeared in our marathons, we have been led to believe that they offer a 4% improvement in energy cost as if performance could be encapsulated in a foam and carbon box!

The “Dahu calculation” (how “1000 m D+ = 10 km flat” hazes novices and misleads rankings)

The Recipe for Enjoyment and Personal Performance

Today a game for your holidays: What happens when Marchand, Pogačar, and Kipchoge face off in an Ironman?

A three-session weekly formula for busy, social humans.

But in reality, these watts per kilo are priceless… except for the price of years of life.

If we swap his sleek Colnago for a rusty old Vélib’ and you jump on his bike instead?

Canicross: The Pure Joy of (Finally) Running Fast

For the sharpest among you, you may have noticed an overestimation of maximum cycling power: maybe in 2050? In 2025, here is the correct figure.

When performance is not just about VO2max


Every reality inspires fiction…

With the BillaTraining method: https://www.billatraining.com/en/accueil-2/