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Hi Joe
I love your articles and I keep an eye on your blog everyday to see if there is a new article.
I have a question on heart rate, I've searched through the articles to see if I can get an answer to my question but to no avail.
My LTHR is 172bpm which I got from doing the 30min TT. Some of my BT workouts requires me to ride for 5min at zone5b. The problem that I have is that I struggle or not even reach the 172bpm which is my LTHR in training sessions. I know HR is slow but at the end of the 5min I think I got to 169bpm. Do you have any advice? Must I rather use RPE for the BT workouts that require me to go zone5a and beyond and forget about HR for that sessions?

Joe Friel

Ren--HR is not a good gauge of anaerobic effort. Works great for aerobic though. The best is power on the bike. Use RPE if you don't have a power meter.


I recently read your article on nutrition (Velonews maybe?). You started with a story about an athlete that was a high-sugar burner. You never finished his story. Was he able to alter his diet and move the balance more towards fat, or is he just built that way?

Joe Friel

Rich--We soon parted ways over other issues. I never saw any race results for him after that.

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