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  1. #1
    bradpig369 is offline Warming Up
    Join Date
    Aug 2005

    How not to lose muscle mass while training for long-distance run

    I go to the gym as well as run very often.
    But I feel that I'm losing more weight and becoming more skinny.
    How do I maintain my bulk and tone while training for a marathon?

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  3. #2
    g8r80 is offline Request Title Change from Admin
    Join Date
    Mar 2007
    Are you sure you are losing muscle now? Marathoners and triathletes often have muscle loss (catabolism) and the only way to minimize it is to continue weight lifting and make sure you take in enough protein.

  4. #3
    Big_Idiot is offline 45h45h5hfghfghnsnfg
    Join Date
    Aug 2007
    Yea, simply eat more and lift heavy.

  5. #4
    tic is offline Fourth Set
    Join Date
    Dec 2006
    San Diego, Ca
    also try to eat right away after you are done running / lifting; at most 30 minutes. On top of that eat lots and lots of slow digesting carbs / protein. Think potatoes, corn, pasta, wheat bread, and cottage cheese.

    As long as you eat as much as you burn, you should not be losing weight; in the grand scheme of things. Otherwise, if you are losing weight, some maybe muscle lost along with lots of fat lost.

  6. #5
    Hoss is offline mѡr // -v
    Join Date
    Feb 1973
    In Evo's Kilt
    Everything that's mentioned in this thread are great ways to minimize catabolism. I've got a lifting buddy who does marathons, and he definitely loses some mass but always comes back and hits it hard. The muscle returns within a month or two.

  7. #6
    ptguy is offline In Orientation
    Join Date
    Jul 2009
    Warwickshire, England
    Hi Brad,

    All the info above is very relevant especially protein intake, marathon runners requirements are one of the highest of any sport! Protein supplementation could help but I prefer the natural approach make sure your meals and snacks contain some form of protein. Good sources are meats (obvious I know), peanut butter (spread on toast good combo carbs + protein), nuts, fish etc..

    You will find however your body will adapt to the training you are doing so it's inevitable you will lose some bulk the same way heavy weight training would increase your size.

    Fuelling the body before, during (if possible) and after exercise is key to performance and recovery after your training thus minimising potential body mass reductions due to insufficent calorie intake.

    Hope this helps.

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