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VO2 Max, Lactate Lab Testing Etc

6 watchers
7 May
4:13pm, 7 May 2025
27,274 posts
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larkim
No efficiency stuff in mine, just lactate and VO2Max calcs. Sounds like an interesting concept though. Wonder if that could be interpolated from my data anyway?
jda
7 May
4:39pm, 7 May 2025
18,745 posts
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jda
I think the most useful output could be pace/effort at which your lactate crosses some threshold, so you can train effectively in the right zone, eg 2-4 mmol/L. However obtaining accurate estimates of these points is not easy IME, especially in a ramped test where you don't spend very long at each speed and are also breathing into a pipe and having people jab needles into your arm. The results obtained don't always match the beautiful theoretical curves very well!
7 May
4:58pm, 7 May 2025
27,275 posts
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larkim
I did 4 mins at each speed interval on mine, but yes only 24 minutes of running (there was a 15 minute warm up first I think) for the LT testing and pin pricks. I don't think I had a mask on for that section though.
7 May
8:06pm, 7 May 2025
624 posts
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Charlesvdw
I had a test 18 months ago.
Unfortunately the day of the test I had a cold and my resting heart rate was 10 beats higher than usual. A few days later I lost my sense of smell and tested positive for Covid.

So I have some results but they are useless. My heart rate at LT1 and LT2 are off and my Vo2max was 54ml/kg/min on that day. I think my real value was probably around 58 or 60 if I'm optimistic.

BTW your VO2max is impressive @larkim !
7 May
8:53pm, 7 May 2025
27,276 posts
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larkim
I'm a little sceptical about the absolute number, and of course the big reality check is my running pace is appalling if I've really got a VO2Max that good :-)
7 May
9:09pm, 7 May 2025
11,082 posts
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Surrey Phil
I would have loved to have done one years ago. As my heart rate goes up rapidly after a few miles of easy running, I don't think I will ever find out a true figure without doing myself a serious health injury.

However, my usual 44 went up to 45 over the past two weekends following a slightly quicker run and a parkrun PB.
8 May
8:56am, 8 May 2025
27,279 posts
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larkim
I doubt you can injure yourself by pushing maximally unless there really is a health issue that you are aware of which should limit your heart rate. But obvs I am not a doctor so would be interested to hear if it is the case. (Clearly you could uncover something unknown but that applies to a whole range of scenarios).
9 May
2:02am, 9 May 2025
9,153 posts
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Mark J 🇳🇿
Booked in for Monday arvo :)
9 May
10:57am, 9 May 2025
27,290 posts
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larkim
Enjoy - my biggest learning in some ways was how to abort a run on a treadmill at speed without going flying out of the back of it! I still think I could have pushed a little harder on the VO2Max ramp if there hadn't been a small doubt in my mind about needing to make sure my feet left the treadmill track and landed safely on the sides once I was completely spent.
9 May
11:08am, 9 May 2025
7,961 posts
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paulcook
larkim wrote:Enjoy - my biggest learning in some ways was how to abort a run on a treadmill at speed without going flying out of the back of it! I still think I could have pushed a little harder on the VO2Max ramp if there hadn't been a small doubt in my mind about needing to make sure my feet left the treadmill track and landed safely on the sides once I was completely spent.


One of the reasons why I've not actually booked a similar test!!!

About This Thread

Have any of you done a proper lab test for VO2 Max, lactate etc?

I'm going in for one shortly. Quite excited by the thought. I know, I'm odd like that.

I was curious as to how you may have found it, the test and the results, especially when compared to what your watches had predicted.
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