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  1. #1
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    Has anyone tried losing 20 pounds in 1 month?

    Did it work? If yes, how do you do it in terms of training schedule?

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    I'm pretty sure it's generally considered unsafe to lose more than 1-2 lbs a week. So, a goal of 20 lbs in 1 month seems a bit drastic. However, depending on your current weight it might not be as bad or impossible. Although an approximation of the daily caloric deficit you'd need to do so, assuming 3500 kcal = 1 lb, suggests that you need to maintain a -2333 kcal/day deficit to achieve your goal. Depending on your diet this could mean eating close to nothing...

  3. #3
    Team ABC Cycles Chris R.'s Avatar
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    Biggest loser style?
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    Twincities MN kuan's Avatar
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    There are only two ways to pull that off, both of which should be tried only under a doctor's care -- liposuction and amputation.

  6. #6
    Team ABC Cycles Chris R.'s Avatar
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    Quote Originally Posted by kuan View Post
    Emaciated at 197lbs? Clearly not a cyclist. That's a bit too much though...85lbs in 3 months.
    [SIGPIC][/SIGPIC]

  7. #7
    Senior Member Mr. Embrey's Avatar
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    I lost 30lbs in one month, then 15lbs the next month. I reduced my portions, ate more often, and ran like hell on a manual treadmill for about 2 hours every morning.

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    Senior Member colombo357's Avatar
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    Assuming you're seeking to lose 20 lbs of FAT and not WATER, you need a caloric deficit of 17,500 per week.

    If you starve yourself by eating just a few hundred calories a day, you'll lose a max of 10,000 a week. You'll also go into starvation mode and the weight loss will come to a grinding halt.

    If you eat a standard diet of 2000 calories a day, you'll need to burn 2500 calories a day in exercise. For most people, that's a DAILY 4 hour bike ride at high intensity.

    If you're a highly trained cyclist who simply ate too much pizza in the last few months, then yes it's definitely possible and not necessarily unhealthy. If you're out of shape looking to get in shape, there's almost zero chance it's going to happen. Sorry. Aim for 5-8 lbs a month. Even that will be difficult.
    "I just googled triple crank set and i see what your saying. this bike has 9 of those "cranksets".
    "They are showing [the TDF of Versus] at 5 different times in the day. It doesn't say which one is the live one."

  9. #9
    Senior Member colombo357's Avatar
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    Quote Originally Posted by Mr. Embrey View Post
    I lost 30lbs in one month, then 15lbs the next month. I reduced my portions, ate more often, and ran like hell on a manual treadmill for about 2 hours every morning.
    You lost 1 lb of FAT per day for 30 days? BS.

    How much did you weigh at the start? Running 2 hours on a treadmill doesn't burn 3500 calories unless you weigh 400 lbs and are doing 6 minute miles. A highly trained runner can maybe burn 1000 calories an hour.

    If you weighed yourself after binge eating on Day 0, then weighed yourself after 2 days of starvation and dehydration on Day 30/31, sure, you *could* be 30 lbs lighter, but 20 of those lbs were water.

    I started the day today at 176 lbs. After a 3 hour ride with 4000 feet of climbing, I weighed myself at 178 lbs. After drinking some soup and having a few pieces of fruit, I now tip the scale at 181 lbs. I sure as hell didn't get fatter today.

    So let's be realistic here.......
    Last edited by colombo357; 03-27-11 at 09:03 PM.
    "I just googled triple crank set and i see what your saying. this bike has 9 of those "cranksets".
    "They are showing [the TDF of Versus] at 5 different times in the day. It doesn't say which one is the live one."

  10. #10
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    Can someone explain the drastic weight increase right after training? I lost 2 pounds (net) since I started training three weeks ago. However, the first week of training, I gained 3 pounds, and then somehow lost 2 pounds second week and another 3 pounds this week.

  11. #11
    Senior Member colombo357's Avatar
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    Quote Originally Posted by Obeast View Post
    Can someone explain the drastic weight increase right after training? I lost 2 pounds (net) since I started training three weeks ago. However, the first week of training, I gained 3 pounds, and then somehow lost 2 pounds second week and another 3 pounds this week.
    Water retention. As your muscles recover, the cells bloat with water.
    "I just googled triple crank set and i see what your saying. this bike has 9 of those "cranksets".
    "They are showing [the TDF of Versus] at 5 different times in the day. It doesn't say which one is the live one."

  12. #12
    Senior Member eddiepliers's Avatar
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    I actually did lose 40 pounds in one month. Most of it was fat and water from being in college sitting around doing 3D animation. I had a month long break form school and all I did was play roller hockey during the winter. I can't remember my diet at the time since it was about 14 years ago. But I played hockey for about 5 hours a day for 4 days a week.

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    Team ABC Cycles Chris R.'s Avatar
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    ...and I'm having trouble losing my last 5lbs!
    [SIGPIC][/SIGPIC]

  14. #14
    Bicycle Repair Man !!! Sixty Fiver's Avatar
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    Quote Originally Posted by njlonghorn View Post


    There are only two ways to pull that off, both of which should be tried only under a doctor's care -- liposuction and amputation.
    This.

  15. #15
    You gonna eat that? Doohickie's Avatar
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    South Beach Diet. No exercise, just very low carb intake. I lost 15 lb. in two weeks, 25 lb. in the first month. Ended up losing 70 lb. in 6 months. Since then (about 6 years) I've gained most of it back. I find that SBD doesn't work so well when I'm riding a lot.
    I stop for people / whose right of way I honor / but not for no one.



    Originally Posted by bragi "However, it's never a good idea to overgeneralize."

  16. #16
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    Quote Originally Posted by Doohickie View Post
    South Beach Diet. No exercise, just very low carb intake. I lost 15 lb. in two weeks, 25 lb. in the first month.
    The only way that works would be if your resting metabolic rate was 3500 Cals/Day (i.e. you weigh 300+ lbs) and you didn't eat anything for 2 wks. More likely a good portion of the loss was just water.

  17. #17
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    20 pounds a month and still be alive to tell the tale ? I don't think so. Even if you could do that, it probably won't stay off. As I understand it, rapid weight loss can be dangerous for some people.

    It also depends on how much total weight loss as a percentage of your weight you are talking about. 1-2 pounds a week is a safe level of weight loss especially if you want to keep it off. Losing a few pounds or more in the first week and less than that after that is normal. The first week is mostly excess water. As you start exercising, at some point you may actually gain a little bit for a while because of increased muscle mass. It's happened to me. The upward blip you see early in your program like colombo357 says is probably water retention.

    Keep a food diary. You'd be surprised at what you wind up putting in your mouth. One other thing, mark down the time. When you eat is also important because late night snacking can really pack on the pounds.
    A dietician told me that the proportions of what you eat, carbs, veg, meat should form thirds. 1/3 carbs, 1/3 veg /fruit 1/3 protein. That keeps a proper balance.

    People put on weight for different reasons. Sometimes it's from eating the wrong things with an unbalanced diet. In other cases, there are people who have balanced diets but eat too much. And then there are those who just plain eat too much of everything especially stuff that's bad for you.

    Sometimes its metabolic. I was the same weight from the time I was 25 until I hit 50. Then I started putting on weight and before I hit 55 I'd starting putting on even more. I'm 57 now and I've been getting my weight back down but it's been a slow but steady process and at least I'm getting fit again.

    It takes time and effort to burn off fat because fat contains about 3500 calories per pound. Carbohydrates and proteins get burned off first the last thing to get burned off is fat.

    The only way to get it off is to change what you eat, eat less of that , eat in balanced proportions and exercise.
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  18. #18
    You gonna eat that? Doohickie's Avatar
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    Quote Originally Posted by gregf83 View Post
    The only way that works would be if your resting metabolic rate was 3500 Cals/Day (i.e. you weigh 300+ lbs) and you didn't eat anything for 2 wks. More likely a good portion of the loss was just water.
    Incorrect.

    I weighed 236 and went down to 168.





    I didn't show the last little bit on the chart but I did get down to 168. It turns out my "second goal" was overly ambitious. I was uncomfortably skinny and couldn't maintain that weight. My goal now is to eventually get down to about 190, but I'm not being as aggressive this time. I was a bit over 230 at the beginning of this year; I'm at 219 right now. No South Beach this time; I'm doing vegetarian-ish stuff now (meat maybe 3 times a week). Seems to be working, albeit slowly.

    The SBD book says to expect to lose 8-13 lb. in the first two weeks. I lost 15. If I lost 15 in two weeks, 20 for month is easy-peasy. The Projected Weight line on the chart shows a loss of 5 lb. per week for the first two weeks, and 3 lb. per week thereafter. Until I got close to my target weight, I was well below the projected line.
    Last edited by Doohickie; 03-29-11 at 09:10 PM.
    I stop for people / whose right of way I honor / but not for no one.



    Originally Posted by bragi "However, it's never a good idea to overgeneralize."

  19. #19
    You gonna eat that? Doohickie's Avatar
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    Quote Originally Posted by colombo357 View Post
    If you're out of shape looking to get in shape, there's almost zero chance it's going to happen.
    Horsehockey.
    I stop for people / whose right of way I honor / but not for no one.



    Originally Posted by bragi "However, it's never a good idea to overgeneralize."

  20. #20
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    Quote Originally Posted by Obeast View Post
    Did it work? If yes, how do you do it in terms of training schedule?
    It will be hard, but you can do it. I lost 22 lbs in just over 1.5 months, and kept it off. I went from 166 (which is a bit tubby for my 5'8" frame) down to 144. As of this morning, I'm sitting at 139.

    For the weight loss period, I focused on managing my food content as much as my total amount, eating lots of fiber and protein, and keeping the carbohydrates rather low except for on days when I was doing longer rides on the bike. I also maintained a calorie deficit to between 500-1000 per day on most days through a combination of reduction and exercise, for example eat 500 less and burn 500 on the bike. Other days, I would actually finish the day with a net loss due to the length of rides I was doing(more than 8 hours on some days). I bought a food scale, measured every serving, and kept a diary of everything that I ate.

    For maintaining it, I ride regularly and watch what I eat. I also try to make sure I get enough rest. I still keep a food diary since I'm almost always training for this ride or that ride, and I find it helps to manage my weight and keep me away from the junk food. I'm 38 years old, and my wife commented the other day "you're too skinny, you have the body of an 18-year old." I say to that: "mission accomplished."

  21. #21
    You gonna eat that? Doohickie's Avatar
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    I maintained my weight loss for about 6 months before purposely trying to gain some back. That was my mistake.
    I stop for people / whose right of way I honor / but not for no one.



    Originally Posted by bragi "However, it's never a good idea to overgeneralize."

  22. #22
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    Quote Originally Posted by Doohickie View Post
    Incorrect.

    I weighed 236 and went down to 168.

    The SBD book says to expect to lose 8-13 lb. in the first two weeks. I lost 15. If I lost 15 in two weeks, 20 for month is easy-peasy. The Projected Weight line on the chart shows a loss of 5 lb. per week for the first two weeks, and 3 lb. per week thereafter.
    Congratulations on that impressive weight loss. All I was saying was that a good portion of the initial weight loss was water not fat. For one thing you likely had a dramatic reduction in the amount of sodium in your diet once you started.

  23. #23
    You gonna eat that? Doohickie's Avatar
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    The fact that the SBD predicts 8-13 lb. the first two weeks and 2-3 lb/week after that takes that into account. Yes, they stay away from sodium in the first two weeks, largely by providing recipes so that you cook your own food. Prepared food has a TON of salt. Simply cooking your own meals can reduce sodium intake immensely.
    I stop for people / whose right of way I honor / but not for no one.



    Originally Posted by bragi "However, it's never a good idea to overgeneralize."

  24. #24
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    The golden rule is a pound per week. A lot of it will be muscle which at the long run is not good at all.

    That it can be done, yes of course, the more calories burned than consumed, hey better you than me in such challenge. First thing you will lose will be muscle at such a fast pace, the body will be on emergency mode for that month.

  25. #25
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    It's easy to lose WEIGHT if you're fat. Losing fat and minimizing muscle loss is much more difficult. If I reduce my protein intake and stop lifting, I can lose weight fairly rapidly...but it's mostly water and muscle. Not good. If you want to do it right have your body fat measured. Then compare your weight to your body fat at the end.

    Rant on: We really need to start exercising some critical thinking skills, people. Not just on this thread, or this forum, but everywhere. Use your head. Can you lose 20 lbs in a month? I don't know. How much do you weigh? Body fat %? Male or female? Age? Are you active? Trying to lose weight or fat? 1 lb = 3500 calories, so 20 lbs = 70,000 calories which means a 17,500 kcal/week caloric deficit. The FDA weekly recommendation for a 25-50 year-old, 174lb male is 20,300 kcal (2900/day). Can you create a 2500 kcal daily caloric deficit without dying? If you are that average male you probably have around 75 lbs of water in your body. Can you lose a combination of 20 lbs of fat, muscle and water? Absolutely! Because I'm sure it's been done and everyone is exactly the same, so if one person did it everyone can do it. Right? Get off your asses people, stop following others, and think for yourself.

    To the OP, I'm not trying to be an ass, but the physiological diversity of people on this forum is so broad that you couldn't possibly have thought you'd get an appropriate, one-size-fits-all answer did you? Common sense demands that you won't. If you lack that please do not vote in the next election. Rant Off.

    I mean, of course you can lose 20 lbs. Good luck! Post picks!
    Last edited by Alan Garner; 04-02-11 at 11:49 AM.

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