9 Comments

  1. said:

    This is surely an interesting investigation, but even if the results were "significant" based on p-values, it's hard to draw any conclusions from a 5 person "study." It's quite possible that the results could be skewed if two of the runners never ran with water bottles or simply had weak (or strong) arm muscles. I'm not suggesting that this research is meaningless, but at best it creates a hypothesis that warrants further testing. I look forward to those more robust results.

    February 15, 2010
  2. said:

    Thanks, that is helpful information. I have tried carrying one and two bottles and would agree with the conclusion. I wasn't too sure if it was the difference in courses in my case. I do find getting a good arm swing is helpful along with the alternating of the hand carrying the bottle. I don't like the feeling of a pack…

    February 15, 2010
  3. said:

    Thanks, that is helpful information. I have tried carrying one and two bottles and would agree with the conclusion. I wasn't too sure if it was the difference in courses in my case. I do find getting a good arm swing is helpful along with the alternating of the hand carrying the bottle. I don't like the feeling of a pack…

    February 15, 2010
  4. said:

    I would be interested in understanding the body dynamics while running. Having used two bottles for well over a decade I found the weight in my hands was easier to compensate for particularly if running fast and over challenging terrain. A fanny pack or backpack moved more around my body and if tightened down to avoid movement it restricted movement or breathing. My bottles were 20oz.

    February 16, 2010
  5. said:

    I've never had luck running with a bladder on my back (Camelbak) or my waist. I prefer to run with one bottle due to weight and hassle if the route / course / water sources permit. Running with two bottles seems easier than switching one back and forth every few miles. When both hands are holding something it seems (mentally) more balanced and I don't think about switching hands. The weight doesn't enter into my mind. Good information from the study. Thanks!

    February 19, 2010
  6. said:

    I've never had luck running with a bladder on my back (Camelbak) or my waist. I prefer to run with one bottle due to weight and hassle if the route / course / water sources permit. Running with two bottles seems easier than switching one back and forth every few miles. When both hands are holding something it seems (mentally) more balanced and I don't think about switching hands. The weight doesn't enter into my mind. Good information from the study. Thanks!

    February 19, 2010
  7. said:

    Hi Duncan,Gary from California here (your running companion at the Leadville training camp). I decided to come out to Colorado again this summer to run the San Juan Solstice – would like to get together for some runs before the event if you are around. Shoot me a note at g2h2 at earthlink dot net.Cheers,Gary Gellin

    February 23, 2010
  8. My thoughts are more in alignment with Bryon. I grew up backpacking and spent many years in the Army with a pack on my back. So, having a hydration pack on feels completely natural. Running with handhelds feels very wierd though.So, I think to expand on the study you would have to take a variety of runners with different hydration styles to form a baseline and then switch them up to see how it affected performance. Another huge variable though is cooling because one thing I have noticed is how much more sweat accumulates on my back with a hydration pack on.

    March 15, 2010
  9. My thoughts are more in alignment with Bryon. I grew up backpacking and spent many years in the Army with a pack on my back. So, having a hydration pack on feels completely natural. Running with handhelds feels very wierd though.So, I think to expand on the study you would have to take a variety of runners with different hydration styles to form a baseline and then switch them up to see how it affected performance. Another huge variable though is cooling because one thing I have noticed is how much more sweat accumulates on my back with a hydration pack on.

    March 15, 2010

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