As a type 1 diabetic, I basically had one of these attached to my body 24/7 for multiple years now, so it's interesting to hear in what way the tech is also useful for 'normal' people and what your graph actually looks like. And I have definitely used mine to tune my fueling during long runs as well
Hi Barry, I like the way you used the monitor for validating your fueling strategy. Very useful gadget but a bit costly! About your HR zones: A 3h run being in Zone 5 for 49% tells me that your zones are not properly setup. An elite athlete can run at threshold for about 1hr and that is typically around zone 3-4 boundary. Running 1.5h in zone 5 is very unrealistic for me. You might want to do a lactate threshold test and base your zones based on LTHR. Garmin has a Guided LT test or if you have access to a lab that does the test, you can do it there.
Thanks for this Tolunay. I was thinking of signing up for a lab to do some testing. I might see how I could do that. I will also check the Garmin. I just double checked on my Stryd and its Zone calculations are more in line with your comments! Will keep a close eye out on this…
Nice discussion, Barry. For a split second, I thought about wearing a CGM just for giggles. But since I haven't eaten carbs or plants in over three years, I asked myself why spend the money if my blood glucose is stable with no spikes.
I did wear a Libre for 2 weeks but as a long term carnivore (no carbs) my blood glucose was more or less constant at a low normal level. The only spikes were the early morning cortisol “dawn phenomenon” and when I exercised. Light exercise like walking reduced the blood glucose but vigorous exercise like running increased it; presumably a result of the liver creating glucose from fat (gluconeogenesis). All my runs are done at least 14 hours fasted. I prefer to have nothing inside me as I feel lighter and have more energy. I don’t consume anything on a run, however I only run up to half marathon distance at present. I would consider drinking some plain water or electrolytes if needed but so far I haven’t felt the need as I live in the UK and we don’t get much hot weather. The idea of consuming carb based drinks or gels has no appeal at all; I suspect I would have major stomach issues and it just seems like an added complication that I don’t need.
In training up to a half marathon distance, I just go out and run. Last year I di a lot of fasted training but this year as I was switching over to a new gel I did a lot of testing on my longer runs...specifically to make sure I had no GI issues. The Kendal Mint Company gels worked great...
I am using for 10 days. I learned that you don't need to eat anything before the run and definitely no need for gels during the run. Sugar levels actually go up during the run 🤣.
@@OldManRunner Thank you.. I actually asked a friend who is a specialist and says many people with sensors come back from runs saying running is bad for them because they get a glucose spike.. So he told me that it is normal for the body to free glucose into the blood during excersize. To be true I did not run more than 2 hours in any continuous run in the last 10 days but I did do a 90 minutes long run with the 4 x 4 VO2 max protocol with 16 minutes in Zone 5 but no effect on the sugar levels.. Goes up when I get running but then stable. If I send you the graphics you will not be able to see I was running at all, 🏃🏃🏃
@@i.p2088 Yes it does spike up. Everyone is different and interpreting the glucose data is nuanced and not easy. I enjoyed my recent testing and will go again at a later stage. What I want to achieve is a fuelling plan without spikes or dips, and try to have a steady state during a marathon…
@@OldManRunner Just back from my run. Met a friend who does ultra and is the head of the army fitness centre. He said for up to 2 hours they don't use gels or anything like that.. After that one every 2 hours He just did a 70 k race and used 3 gels.
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As a type 1 diabetic, I basically had one of these attached to my body 24/7 for multiple years now, so it's interesting to hear in what way the tech is also useful for 'normal' people and what your graph actually looks like. And I have definitely used mine to tune my fueling during long runs as well
Hi Barry,
I like the way you used the monitor for validating your fueling strategy. Very useful gadget but a bit costly!
About your HR zones: A 3h run being in Zone 5 for 49% tells me that your zones are not properly setup. An elite athlete can run at threshold for about 1hr and that is typically around zone 3-4 boundary. Running 1.5h in zone 5 is very unrealistic for me. You might want to do a lactate threshold test and base your zones based on LTHR. Garmin has a Guided LT test or if you have access to a lab that does the test, you can do it there.
Thanks for this Tolunay. I was thinking of signing up for a lab to do some testing. I might see how I could do that. I will also check the Garmin. I just double checked on my Stryd and its Zone calculations are more in line with your comments! Will keep a close eye out on this…
Nice discussion, Barry. For a split second, I thought about wearing a CGM just for giggles. But since I haven't eaten carbs or plants in over three years, I asked myself why spend the money if my blood glucose is stable with no spikes.
I tested it exclusively with beer last night...not my best plan ever...
@@OldManRunner In the immortal words of Homer Simpson: "Ah, beer."
I did wear a Libre for 2 weeks but as a long term carnivore (no carbs) my blood glucose was more or less constant at a low normal level. The only spikes were the early morning cortisol “dawn phenomenon” and when I exercised. Light exercise like walking reduced the blood glucose but vigorous exercise like running increased it; presumably a result of the liver creating glucose from fat (gluconeogenesis).
All my runs are done at least 14 hours fasted. I prefer to have nothing inside me as I feel lighter and have more energy. I don’t consume anything on a run, however I only run up to half marathon distance at present. I would consider drinking some plain water or electrolytes if needed but so far I haven’t felt the need as I live in the UK and we don’t get much hot weather. The idea of consuming carb based drinks or gels has no appeal at all; I suspect I would have major stomach issues and it just seems like an added complication that I don’t need.
In training up to a half marathon distance, I just go out and run. Last year I di a lot of fasted training but this year as I was switching over to a new gel I did a lot of testing on my longer runs...specifically to make sure I had no GI issues. The Kendal Mint Company gels worked great...
How long for the patches to arrive? I see they are from Australia..
I got them on Amazon. A day or two tops to get to me.
@@OldManRunner €21 for shipping breaks my heart 😂
I am using for 10 days. I learned that you don't need to eat anything before the run and definitely no need for gels during the run. Sugar levels actually go up during the run 🤣.
You have a magic metabolism! I can run a half marathon without gels easily enough. But not a marathon unfortunately…
@@OldManRunner Thank you.. I actually asked a friend who is a specialist and says many people with sensors come back from runs saying running is bad for them because they get a glucose spike.. So he told me that it is normal for the body to free glucose into the blood during excersize. To be true I did not run more than 2 hours in any continuous run in the last 10 days but I did do a 90 minutes long run with the 4 x 4 VO2 max protocol with 16 minutes in Zone 5 but no effect on the sugar levels.. Goes up when I get running but then stable. If I send you the graphics you will not be able to see I was running at all, 🏃🏃🏃
@@i.p2088 Yes it does spike up. Everyone is different and interpreting the glucose data is nuanced and not easy. I enjoyed my recent testing and will go again at a later stage. What I want to achieve is a fuelling plan without spikes or dips, and try to have a steady state during a marathon…
@@OldManRunner Just back from my run. Met a friend who does ultra and is the head of the army fitness centre. He said for up to 2 hours they don't use gels or anything like that.. After that one every 2 hours
He just did a 70 k race and used 3 gels.
Whilst carrying a backpack and wearing combat boots. Impressive!