mileage or speed to loose weight

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  • Thanks for the english lesson!

    So recommended plan is keep to same mileage but do couple of weekly runs at faster pace - will give it a go with maybe faster bursts during some runs - Thanks

  • Sounds perfect - good luck image
  • Agree with Gym Addict!
  • Thanks for the link to the thread. It wasn't too long and i've read it.

    I am sure that there is quite a lot of variation in different people's response to exercise. Indeed, I'm sure i've seen a paper demonstrating that.

    For myself, in practice, I've always found that when marathon training, doing lots of long slow running, I tend to gain weight, and the times I've lost weight are when I've been doing walking and weight training.

    I believe this is simply because running makes me hungry: I automatically compensate for the calories burned. I might hypothesise (but have no evidence) that this is because more of the calories come from glycogen when running, compared to walking.

    As someone on the previous thread said : " did you hear of the controversial Time mag article claiming that exercising didn't help you lose weight?  At its heart was the premise that most people who exercise just eat more to compensate so there is no net effect.  Perhaps the effect on appetite is different between the two types of training."

    I think there is an intensity threshold for that happening, and for me, walking gets in "under the radar".

    On the other hand, many (like Nam, I think) find that intervals help them lose weight better.  I have no idea why that might be. Any measured numbers I've seen for EPOC always look pretty small. It may basically be a hormonal effect. 

    To put it crudely, if you demonstrate to your body that what it needs to do is long slow runs, then it may say "right then, I need to learn to burn fat better, and I need to carry some" whereas if you show it that what it needs to do is short very intense sprints, it may say "then I need to get as light as possible".

  • (It may also be that Nam is just better than I am at using "willpower" to defeat the body's automatic mechanisms for increasing food intake to compensate for running).
  • There is also the different ways that particular body types react to any kind of exercise. Someone on another thread was asking what effect running had on your body - with regards to shape. This reminded me about body types.

    Ectomorph - the body wants to be thin and sheds weight easily and gains muscle with difficulty
    Mesomorph - gains muscle with ease and hangs on the fat but will let it go with the right inducement
    Endomorph - gain muscle - will hang on the fat for grim death.


    I find that long slow runs of a certain length leave me glycogen depleted and so make me hungry in the same way that a high intensity session would. Walking I can totally get away with and it would appear (so far) that I can get away with cycling too. Perhaps I haven't been trying hard enough on my bike image

    I don't agree with your last paragraph MF, I have not read a single thing (and I have read widely on this subject) to suggest for a second that the body reacts in this way.

    There are plenty of studies to show how interval training burns lots of calories - if Nam is of sufficient fitness to not be left annihilated afterwards then she may well not get the appetite trigger that you and I get. We are all different after all.

  • hello ..... i think what the advocates of high intensity training and runners world are trying to say in simple terms, is that if u are trying to lose weight it is about calories in vs calories out.

    High intensity training will burn calories at a higher rate over a shorter time. for example if walking a mile takes about 20 mins and running it takes about 10 u will burn the same amount of calories doing both, but the walking takes longer.

    your training should consist of a mixture of medium - long runs, higher intensity training such as hills and intervals, and also cross training which includes resistance, cardio, and also things like Pilates and Yoga and other core strength exercise.

    I am a fitness instructor and sports scientist too. I hope this makes sense.
  • I understand that, Hazel. The calories IN and OUT are both equally important.

    Typically, the way weight loss attempts fail, is that people find they can't stick to the prescribed calories in that they've set themselves. 

    What I am interested in is which types of exercise make that least or most likely to occur.

  • GymAddict wrote (see)
     I don't agree with your last paragraph MF, I have not read a single thing (and I have read widely on this subject) to suggest for a second that the body reacts in this way. 
    Well, that's fair. I have no evidence for it, it was just a hypothesis (as indicated by the word "may").  The body is pretty good at adapting to the demands we place on it. If such an effect occurred, it would be hormonally mediated. The only evidence I have is anecdotal (such as Nam's) that interval training tends to take fat off and (my own experience) long slow runs tend to keep it on.
  • MoraghanMoraghan ✭✭✭
    GymAddict wrote (see)
    Bit of a pedant.
    Doing less exercise overall will not help matters - you need to ensure that you are running approx same mileage if you want to burn the same amount of cals.

    The crux of the argument with regards to the type of training you do and weight loss is whether you believe the total number (sorry, pedants are fair game) of calories burnt is all important or whether the source from which the calories are burnt is important.

    If you only do hard intervals it's highly unlikely that any of your actual workout is fuelled by calories derived from fat.  Does that matter?  What are the implications of the type of calorie burnt on fat loss in a diet? 

  • It is unlikely that a person will control the macronutrient proportions of their diet enough to mean that the types of fuel used in the exercise significantly affects their weight loss. IMHO

    There will be some that manage it (and I am thinking here of competitive body builders)

    The evidence I have read leads me to believe that the total number of calories is what counts in terms of calorie balance in the diet.

    BUT the type of exercise that you do affects how you feel/how hungry you are which affects your calorie intake and therefore has a bearing on how easy it is to lose weight.

    I am not going to do it here - but I have in the past calculated the grammes of fat you will work off during a typical session of approx an hour. It was not significant and would be dwarfed by the recommended daily fat intake for a man or woman. Even one on a diet.

    Don't forget that the bodies energy systems are always in flux.
  • Moraghan wrote (see)

    If you only do hard intervals it's highly unlikely that any of your actual workout is fuelled by calories derived from fat.  Does that matter?  What are the implications of the type of calorie burnt on fat loss in a diet? 

    Well, at the risk of repeating myself, it MAY be that if the calories burned come more from glycogen, then there's a higher risk of "dietary non compliance" ie hunger and more calories IN
  • Correction happily accepted M.
  • Funny how there is no definitive answer to this question and there is a great deal of room for debate, even within the sports science community.  I think there are a few facts that you can't get around:

    fact (1) If you burn more calories than you consume, you will lose weight

    fact (2) distance covered determines how many cals you burn on any run, not how fast you do it, within reasonable limits. (I believe if you walk, you are doing less work as you do not propel yourself into the air as much and burn fewer cals per mile, but running is more or less the same action regardless of speed.)

    fact (3) muscle burns calories when you are not doing exercise

    So, you need to eat fewer calories than you burn.  Doing exercise helps but can make you very hungry.  Building muscle will put weight on but burn fat.  Regardless of (3) you need to find the balance between (1) and (2) plus the right diet that allows you to have a daily calorie deficit and not feel hungry.

    Personally, I find not feeling hungry is the secret.  Can the exercise type help here? LSRs do seem to make me starving, so perhaps I should try shorter slow runs or even shorter fast runs.  I once lost a stone in a couple of months simply by walking to work (3 miles each way) and didn't even think about diet, so maybe this is relevant.

    Obviously diet choices help in terms of feeling fuller for longer on fewer calories, but this requires as much, if not more, discipline as introducing exercise into your routine, especially if you have a family and eat together.

  • MoraghanMoraghan ✭✭✭
    MikeFrog wrote (see)

    Well, at the risk of repeating myself, it MAY be that if the calories burned come more from glycogen, then there's a higher risk of "dietary non compliance" ie hunger and more calories IN

    My view is slightly different I suppose.  Whether you are hungry or not is irrelevant.  Your statement reads as though "dietary non compliance" means the dieter has no choice in the matter.

    The bottom line is that in any situation where the dieter eats more than they should to compensate for the workouts it's not the type of workout to blame it's the dieter's lack of discipline.  Which is often the reason for being overweight in the first place.  And so it goes.....

  • Couldn't agree more - you have to manage your life to live with a calorie defecit.  Whether that is pure diet or a balance of exercise and diet depends on the individual.  Obviously exercise helps, but with caveats - I too gained weight training for VLM.
  •  I used to have a theory about the reason why I am not at all hungry after very intense interval training on treadmill: I felt very nauseous for about an hour afterwards, and that's not from lack of food/carb after the exercise, as I would force myself to eat a banana. So, the feeling is very comparable to being drunk, i.e. a stress on the liver, and both of these physical feelings put my off my food completely. My theory therefore is that high intensity training would be better for weight loss, although it would mean that alcohol should be avoided completely for the duration of training weeks. Any thoughts?

  • The bottom line is if you eat to much,you get fat, I should knowimage

    and with any diet, weight loss does slow down after a while.

    So be happy with your weight loss so far  and keep doing what your doing and you'll get there in the end.

    Posh x

  • I'm 'within my healthy weight range' what ever that means! but unhappy that I have areas of fat  that have crept on over some years (hips, tum you know the stuff).  In an attempt to lose this excess weight in Feb I did two things: 1 joined weight watchers and 2. stepped up my exercise (I've always done 5x45 to 60 mins gym classes per week)  I decided to start doing an actual training programme (mixed easy, long, tempo, speed runs) to improve my 10K time, cycle to work and back each day (6 miles or so) and have enrolled on a kettle bell course at my gym which is great fun and seems to be doing a good job toning muscles I didn't know I had.I stuck rigidly to the weight watchers point system and Fen to April saw 8lbs of weight loss.  April to June however, the eating has been the same but I have felt so hungry that I was getting dizzy and unable to concentrate much of the time and I have put 5lb's back on!  The WW leader didn't know what to advise other than to eat more if I feel ill......  Which of course I did, so now I consume the calories of between 40 and 60% of the exercise I do and I have upped my protein intake.My theory is that either I have a mesomorph body type, after reading GA's description above and I am building muscle, the wobbly bits seem to be depleting but this is quite a subjective measure and the amount depends on what mood I’m in – unlike the scales; the difficulty for me is that there is a sense of failure associated with being on a diet and putting on weight and no matter how much I console myself with the positive messages that weight is clearly not a good measure for shape and improvement of running times, it’s a universally accepted measure of whether one is thin enough or not.  I guess I have to build more muscle to perform more physical activity on a regular basis and to do it more efficiently and improve output but there’s only so much extra muscle I need to do this, so I’m hoping that eventually, once the muscle level is where it needs to be, the weight will be static but irrelevant and the fat will be all but gone.  It stands to reason that I if I were thin because I didn’t eat I would be lighter than if I were “thin” because I was lean and toned with minimal fat - but able to lift my own body weight and able to run 10K 15 mins faster than my current PB.  I also suspect the day-to-day changes we make to our diet and activity levels do not show themselves immediately as weight, muscle, fat deposits etc and they are all subject to the natural cycles of the body acting as a series of different systems – not all necessarily aligned to my the personal goals and targets set by my head!   The bottom line in my experience is that you can diet, exercise lots and gain weight all at the same time, at least over a five month period, what happens beyond that – I don’t know. I’m new to this forum lark so any comments, advise etc will be very gratefully received.
  • Debs - well done on everything you have achieved. If you have the body type you think - well you are just going to build muscle and that's all there is to it. If you were not born to be a twiglet then unless you starve yourself and get a nice eating disorder to go with - then you will never be one.


    It is difficult to resolve the battle between a number on the scale and the fitness gains that building muscle brings. Been there - got the t-shirt. I have definitely experienced what you describe - watching your diet like hawk, exercising like a crazy thing and putting on weight.

    I just stopped weighing myself. I use a tape measure or go by my clothes. Much less stressful image
  • Thanks Posh I think you have summed it up nicely -

    my weight loss has slowed down maybe I am becoming too impatient - i will just have to keep on doing what I am doing and I will get there in the end (after all its worked so far!)

    Thanks x

  • Just come across this thread yesterday and have found it very interesting - especially the scientific aspect of it all.  I find it a bit difficult to get my head around it all and have no idea what body type I am.

    However I would absolutely go with what GymAddict says about stopping weighing yourself.  I threw my bathroom scales out when my daughter became a teenager as I didn't want a contraption on the bathroom floor determining her mood for the day.

    According to my doctor I have lost almost 6 stone in the past two years by exercising and eating healthily (not dieting).  In those two years I have only been weighed 4 times - when I visit the doctor - and never get stressed about my weight.  I might put the odd pound or two on, but I never notice it, and then it probably goes off again.  Like GA I just go by my clothes.

    Three or four runs a week along with circuit classes and pilates a couple of times a week works for me.  Oh, and by the way, all my running is slow.  Just started working on my speed.

  • aah but you do admit to having  just started working on your speed ! ! I am beginning to think that I will never increase my speed (can't seem to get below 11 minute mile !! is that really bad ??)  but like I say what I have been doing so far has worked ie diet & exercise all be it slow running so think I should just be a little more patient & settle myself to the fact that weight loss does slow down but I am heading in the right direction.
  • Christie, it sounds from your last post as if you want to increase your speed. This would mean that it is worth chucking in a tempo run every week to see how it goes. I took up running again recently, and was struggling with 11-12 minute miles. I started on speedwork 5 weeks ago and now am running 10 min miles on my slow runs.

    Unfortunately the only way to run faster is to run faster - it's hard work, but it works!

  • I find a relatively easy way to introduce a tempo run is to use a treadmill for a 20 minute run.  Regardless of how you go on the road (some are faster and some are slower on the treadmill) you can experiment over the first few runs to see where your top speed for 20 mins is.  You can then pace your standard tempo run a little bit slower than this.  Every now and then I take it a bit more seriously, perhaps with a rest day beforehand and a thorough warm up, then I try to set a new benchmark.  I've inched my speed up in this way over the last four years.  Nothing too dramatic annually, but I now have a pb of 15kph for 20 mins vs 14 kph in 2006 - it just keeps inching up.  SImilarly my tempo efforts are now around 14.5 kph instead of 13.5.  You could achieve the same ends with a fixed route that takes about twenty minutes and time yourself over it.  However, I prefer the treadmill as you can see exactly what your pace is and then notch it up a bit if you are feeling good.
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