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Joel Filliol Triathlon

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Substack: Progression: A powerful training heuristic

Progression: A powerful training heuristic by Joel Filliol

Strategies for creating space to hit the optimal training doses in both the short and long term.

Read on Substack
Older:Substack: Don't be a January champion
PostedJanuary 29, 2026
AuthorJoel Filliol
“Champions are everywhere, all you have to do is train them properly.”
— A. Lydiard

Joel Filliol. International Triathlon Coach. Squad #JFTcrew 6x World Champions. Relentlessly Obsessed.

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