Oxygenaddict Triathlon Podcast
Jul 29, 2026 · 26 min · 11 segments
In this episode: - **Racing without a power meter**: why Rob thinks a power meter is a "worry removal tool" rather than a cost, and how to reframe the spend over your training block. If you're going…
Rob WilbyHost
Tyler says, Hi Rob, I've been listening to the Oxygen Addict podcast for several months and your podcast has been the backbone of my preparation for Ironman California on October the 18th.

Is it possible? And how do I pace the bike just on heart rate alone? He goes on to say power meters are well outside my budget right now.

I understand the value of a power meter for pacing, but is heart rate a viable substitute at the full distance? If so, how do you approach setting targets and staying disciplined on a flat, fast course like Sacramento? Okay, so this is a super relevant question from, you know, lots of people have this question in the early days as well.

The first thing I would say is if you can possibly afford one, even if you can stretch to buy a used power meter, it is so, so worth it.

If you divide that up over 12 weeks, you're looking somewhere in the region of, what, $30, $35 a week.

the amount of doubt that it's going to remove from your mind as to whether you're training correctly, I think is going to be worth that $30, $35 a week.

Even more so if you can find a used set of used power meter pedals, maybe at half price on eBay.

Tyler says, Hi Rob, I've been listening to the Oxygen Addict podcast for several months and your podcast has been the backbone of my preparation for Ironman California on October the 18th.

Is it possible? And how do I pace the bike just on heart rate alone? He goes on to say power meters are well outside my budget right now.

I understand the value of a power meter for pacing, but is heart rate a viable substitute at the full distance? If so, how do you approach setting targets and staying disciplined on a flat, fast course like Sacramento? Okay, so this is a super relevant question from, you know, lots of people have this question in the early days as well.

The first thing I would say is if you can possibly afford one, even if you can stretch to buy a used power meter, it is so, so worth it.

If you divide that up over 12 weeks, you're looking somewhere in the region of, what, $30, $35 a week.

the amount of doubt that it's going to remove from your mind as to whether you're training correctly, I think is going to be worth that $30, $35 a week.

Even more so if you can find a used set of used power meter pedals, maybe at half price on eBay.
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