30/30s: How and Why

Al Truscott · 2012-10-31 17:02:30

A thread for questions, answers and comments on VO2 intervals on the bike. I've transferred Freddy's question here: "So if the 30/30 VO2 session is 120% of FTP, when do we use the VO2 number from the 5 min test? Does that come into play at all? 120% is 233 for me, but my VO2 5 min test was 260. Just don't want to be…

Comments

Joe Hallatschek

November 14, 2012 7:35PM

@Kori - if you are using your speedometer, you can dial it up to the speed you did your 40' TT at, plus maybe 1mph over to get at Z5. I am doing 1' intervals for pretty much the same reason. My LTHR is 19.8mph and I am dialing it up to 21-22mph and not really using my HR for my intervals.

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