Q+A: Is my heart rate too high in my steady runs?
Our experts answer real-life questions
Posted: 9 September 2000
by Joe Beer
Q Following your advice, I did a treadmill test using a heart rate monitor to work out my maximum heart rate. The result was 177bpm. However, during 40-minute steady runs my pulse easily reaches 165bpm, about 94 per cent of max! Am I training too hard? (It doesnt feel like it.)
A Heart rate monitors should, in theory, be easy to use and a great tool for runners. This isnt always the case in practice, however. While heart rate monitors are all pretty similar, runners arent, and that can lead to some anomalies.
I suspect that you are a high beater. This simply means that your heart muscles beat at a faster rate across the various levels of exercise and training than your peers do. This isnt a bad thing, merely a personal idiosyncrasy that needs to be taken into account when planning and assessing your training.
The results of your treadmill test were interesting. If you really did reach your maximum effort at 177 heart rate then yes, you are training too hard every run. As you say, 165 is 94 per cent of 177, and an effort of 94 per cent of your MHR for 40 minutes or more would be incredibly debilitating, if not near impossible.
In fact, its best to get away from the idea at working at a percentage of your MHR anyway, and think instead about your working heart rate (WHR). You still need to find your maximum, but once youve got that, subtract from it your resting heart rate. To find the rate to run at for example 75 per cent effort simply multiply your WHR by 0.75 and add the resulting figure to your resting heart rate thats the rate to aim for.
However, Id be surprised if you found your actual maximum during the treadmill test. While doing such a test your heart rate should reach its max during the second of two three-minute runs. However, unless your monitor actually logs your max and not all do you can miss it. One suggestion Id make is that you try a proper lab-based maximal exercise test. In such conditions you should reach your real max, although its a pretty unpleasant feeling!
You could also try only breathing in through your nose and out through your mouth when running. This will automatically set you to an appropriate moderate intensity. Note your heart rate at this comfortable level, and use it as the basis for the majority of your running training.Joe Beer, sports scientist and level-two triathlon coach
Discuss this article
Nice to know that I'm not the only one with this problem. I've been running for just under 2 years now and find that whenever I know I'm being monitored (either by someone else or me) my HR goes up dramatically.I can feel myself thinking about it. Normally my blood pressure is on the low side but healthy and resting heart rate about 58, GP has confirmed I'm fine. It was something I really used to monitor when I started running on recommendation of Personal trainer (He used to go a funny colour when my HR hit 190, even though I felt fine and it would go up to about 195). On recommendation of another trainer I've been told its just naturally the way I am, as long as my HR comes down when I work at a lower rate then not to get too tied up in it all. I've been told to run at least twice a week without any monitoring as part of running should be knowing whether you feel comfortable in yourself. I can still tell when I've worked my backside off or had an easy run but I'm not getting too caught up numbers. I've improved dramatically since last year and from personal experience would recommend not getting to caught up in the whole numbers thing as with me it definately made me worse not better!!! Plus I work in financial services so to be able to go running and not think about numbers is bliss!!
Posted: 04/10/2007 at 13:08
Hello, Can any-one help me. I'm a beginner after ten years or more out of running, and I need to lose weight and get fitter to do the Great North Run in 2008. I'm a 36 year old male, 5' 9 and 13 stone, I have already lost nearly 2 stone but my body fat is still high at 22% and my VO2 max tested at 31 which is low fitness. The test was done on a heart rate moniter which leads me to the question about how best to train. I have tried running two miles as fast as I can where I only stop when I'm out of breath and my heart rate go's above my 100% or a longer 3.5 mile run at 60-80% of my max heart rate but I find I'm walking more than i'm running and I find it a little bit easy. Any comments are welcome, thanks
Posted: 03/12/2007 at 14:15
Hi Jason, I wouldnt bother about the HRM thing at the moment. I'd just try and get out and run at a pace that you could hold a conversation. Do this maybe three times a week at a distance you are comfy with and try and increase it by say 10% each week - but listen to your body. Get some base miles in and then think about the HR stuff.
Posted: 03/12/2007 at 14:40
The rule-of-thumb formula doesn't bear any resemblance to my findings over the last few years. I have been running since April 2005, and over the years have discovered that I have a max heart rate higher than predicted. Here are my stats: - 38 years old, male, 176cm & 81kg
- Resting HR 39
- Max HR recorded 204
I first got hold of a HR monitor in late 2005 and started to find that my readings were well above what any general guidance suggested (mid 180s). As my dad had just undergone a heart bypass op, I was almost at the point of going to the doctors to see whether it was doing me harm when I came across a Q&A on this site that seemed to address my concerns (http://www.runnersworld.co.uk/news/article.asp?uan=723). After I read that I concluded that instead of being worried I should actually be quite pleased. Hopefully I haven't drawn the wrong conclusions, but after 33 races to date I am still alive and improving my times year-on-year.
Posted: 17/07/2008 at 16:02
I have also been concerned over my heart rate during training. I've been using my HRM for a few years now, but haven't really trained to it, as following the formulas for what my % effort should be leaves me with ridiculously low numbers that would preclude me doing anything more exciting than lacing up my trainers. I'm 29, F, and overweight (though nearly 2 stone less than when I started running, so progress).My resting HR is 55-60bpm, but during my speedwork, it tops out at 220. Long runs or easy runs (which, I should point out, are exceedingly slow, around 13 min miles) give me an average of 155-165bpm which I can pretty much sustain over the marathon distance, but according to the normal figures of 220-age or even the Karvonen method, it's way too high for a long slow effort. I've run a few half-marathons, lots of 10Ks and am training for my second marathon, but I need a medical certificate for this one, and my concern is that when I show my Doc my training stats, he/she is going to freak. Is my heart rate too high? Or is this just my own idiosyncrasy which is perfectly normal and I shouldn't worry? Can anyone here reassure me?
Posted: 21/10/2008 at 10:14
I've been using a basic Polar HRM only occasionally for over a year now, mainly because I found its data on my cardiac performance depressing in light of how slowly I was running. Just received a Forerunner 305 for Xmas and went out this morning to eagerly run 10K (well...9.8 Km). I stuck to 11:30 min/mile as my LSD pace and felt great, no sign that effort was anything approaching 'high'. I've just downloaded my data onto the Garmin training centre software, and seeing my heart rate plotted over time in front of my eyes has given me renewed cause for concern - started at 75 BPM, shot up to 160 over the first Km, topped out at 186, avg 173. Forty-eight min of the run was apparently spent in HR Zone 5! I'm willing to accept that I and the others on this thread are outliers from the general population - I'm no hypochondriac and I'm generally healthy, but one thing that would be welcome on the thread is some proper medical comment regarding when one should be worried about these figures....I don't want to waste my GP's time over a non-issue. Nevertheless, I'm going to do a max HR test this week. My details: male; 31 yo; 87Kg; resting HR ~60; Predicted max 185; current weekly mileage around 12-15; Training for marathon next May!
Posted: 26/12/2010 at 14:04
Paul I'm not a medic and I expect medics have more important things to do than monitor all these threads by people worrying about MHR. Either ignore the formula and test your own figures or use it along with the accompanying text. For example the one on this site actually says, for men, 214 - (0.8 x age) +/- 24 That's PLUS OR MINUS 24. I make that 165-213 for you. Phew!!!  The formula is almost completely useless and I'm baffled why this site keeps peddling it.Mind you a lot of medics peddle it too and equally often omit the error range bit at the end...
Posted: 26/12/2010 at 15:10
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