Alex Hutchinson is well known science journalist, but he can also run a bit! Mark chats with Alex about periodisation training and wether or not this is the gold standard for endurance athletes to use. Alex discusses the pro and cons to this specific training model and the other models we could use.

Link to Outsider article here - https://www.outsideonline.com/health/training-performance/polarized-training-debate/

Alex is also the author of the book Endure: Mind, Body, and the Curiously Elastic Limits of Human Performance - link here https://www.amazon.com/Endure-Curiously-Elastic-Limits-Performance/dp/006249998X/

Mumbles Centurion link here https://www.mumblescenturion.com

Xtri Experience link here https://www.xtri-xperience.com/

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