Longer runs, gain weight?

Muscle weighs more than fat. You are prolly gaining muscle mass.

I am always complaining that I going weight when I am lifting weights and my sn said he is going to throw the scale away...lol
So if you have started weight lifiting that will do it...

I heard it takes like a month of committed weight training to gain just a pound of muscle, so I am thinking water retention, or something else

Probably because of this

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http://www.dailyspark.com/blog.asp?post=why_the_scale_goes_up_when_you_start_a_new_workout_plan

Also, I haven't been strength training since starting this running program 3 weeks ago. I have been just strictly running and occasionally doing push ups.

I only have about 7 lbs left to lose. So gaining 3 lbs is disappointing to me. My weight hasn't fluctuated either. Some people say they gain a couple lbs after a long run and then it goes back to normal after a couple days. I have gained 3 lbs and it's stuck.
I almost feel like I want to go back to my normal routine of some 3 mile runs, hard track workouts, and strength training. These long runs feel good immediately after, but during it, I am usually bored to death. I would much rather kick my butt in a 20 minute crossfit type workout than to run for an hour...

Are you eating enough?

Muscle weighs more than fat. You are prolly gaining muscle mass.

It's improbable. Very hard to do if you're on calorie deficit. It's higher water and glycogen retention because of higher energy expenditure.

Muscle weighs more than fat. You are prolly gaining muscle mass.

Please stop with this nonsense. You don't gain muscle mass from running, even less on a calorie deficit.

It should stabilize after a few days...don't worry, it's not fat.

Not personal experience, but the trainer who worked with Oprah discussed this in the book "Getting Into the Zone" (or similar title). He strongly believed that weight loss came from intense cardio, and not from extended cardio workouts. He pointed out that Oprah gained weight when training for a marathon, when she was running more, but slower miles.

Please, no Oprah references. She gained weight because she ate too much, and still does.

Love this ^^^^

First of to the OP: running every day is really not recommended because of overuse injuries. You would do better off cutting your runnning down to 3-4 days per week. Second 6 miles really isnt a "long run" and you shouldnt experience significant weight gain because of this.

I am training for a marathon currently and I have been training for a halfmarathon consistantly for the year prior. I have consistently lost weight during race training, albeit slow. I have read that it is impossible to lose during marathon training and I would have to say that I disagree with that. What you should not do is restrict your calorie intake severely to force rapid weight loss, but eating sensibly within your calorie goal and getting exercise does in fact result in mild slow weight loss.

I gained 8 lbs marathon training. I lost 18 as soon as I was back to my normal fitness level. And although I gained weight, I never increased in size at all. .

IMO - it also had to do with increased cortisol levels from training. I'm not an expert, there are plenty of those around here, but my ARNP just put me on a supplement because of higher cortisol levels to try to end weight gain while I'm training hard again.

Muscle weighs more than fat. You are prolly gaining muscle mass.

1 pound of fat weighs the same as 1 pound of muscle....muscle is more dense/has more mass that fat, it does take up less space though, so depend on your measurements to show you how much you are losing!

Muscle doesnt weight more in fat.. .

So if I have a quart of muscle and a quart of fat they will weigh the same? I think not! I believe one is heavier (i.e. weighs more)

not this again

muscle is more dense than fat, so it take up less space - but a pound of fat weighs EXACTLY the same as a pound of muscle

Could it be that you are eating more due to training more? And thus not actually in a calorie deficit?

Yup. Every little bite counts. Please get a HRM, and figure out what you are actually burning on these runs. Then you will know the calorie range you can consume.

You aren't alone.
I have been gaining since marathon training, 30-40 miles a week. I WAS eating in a calorie deficit and tracking everything. I gained 7 pounds! I started eating more over the last two weeks and finally started to see the scale drop, now I am down 3. I'm hoping increasing my daily calories, eating every exercise calorie, (yes, every single one!) and NEVER missing a weight training workout will continue the downward trend.

Good luck!

The argument was that someone said muscle weighs more than fat. This is incorrect. A pound of muscle weighs a pound. A pound of fat weighs a pound. A pound of feathers weighs a pound. However, a pound of feathers takes up far more space than a pound of muscle. So the sentence "muscle weighs more than fat" does not make any sense. The correct term, as stated previously, is muscle is more dense than fat. If I replace 10 pounds of fat with 10 pounds of muscle, I will weigh the same amount, but my body will be smaller. I would disagree with the statement that running alone does not build muscle. It definitely does, just at a much slower rate than something like weight lifting would.