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Cramping up on the bike

Ever since my bike time got bumped up to 3.5 hour rides (ie, the last two weeks) I have had considerable cramping of my leg muscles between my knees and hips (quads, flexors, hamstrings, etc.).  This starts around 2:45 minutes into the ride, and is excruciating until I get off.  I am a salty sweater and take endurolytes, but they don't seem to be doing a thing for me.  Odd things is, after five minutes or so on the brick run I am fine.  Now I am confused because I don't know if it is a nutrition problem, bike fit problem, or maybe my body just not adjusting the to the training volume yet. 

Any ideas? 

Nicole

Comments

  • 2 thoughts...
    1. I used endurolytes until I figured out that it required 20/HR to help my cramping. So, look up s-caps...they have 231mg per capsule instead of 40mg. Helps! I would also check to make sure you are taking in 1.5 bottles of water per hour...I find it is sometimes hard to do that when it is cold out, and I often neglect proper hydration early in the season unless I really think about it.
    2. If #1 doesn't help...certainly consider that it could be a fit issue. Were you professionally fitted originally, or any time in the recent past? If not, it would be a good time to try that!

    Wish you the best!
  • +1 on making the switch to salt caps. the endurolytes just don't have that much sodium in them.
  • @Nicole: Have you done a sweat trial? I know there are instructions in the Wiki for it. That can help you dial in on your sodium needs.

    S!Caps are much, much better than Endurlytes for those who need higher sodium needs.
  • Hi All,

    I have been fitted on my bike, but maybe I am pedaling funny or my position on the seat is funny or something. Haven't tried the sweat trial, but will look it up on the WIKI. I do know I am usually lighter weightwise after my long rides. Now that I think about it when I am seriously training for marathons I also suffer from leg cramping despite taking endurolytes. I am making the switch to S caps due to all your recommendations and will let you know how it goes. Thanks EN members for setting me on a better path.

  • X3 on the switch to s!caps: all my cramping issues have been resolved.
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