Spikes vs. Bare Feet

Running Shoes/Running Gear Shoes
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  • geronimo

    Anonymous Poster

    16 years ago 04/11/2008 2:02am EDT

    Start with a barefoot runner running on a track.

    Let's say it's Bekele running a 5,000.

    Now add the lightest available spikes (let's say 100g).

    A) Estimate how much the added traction benefits Bekele in terms of time saved over 5,000m.

    Suppose we can gradually increase the weight of the spikes.

    B) Estimate the weight, in grams, at which the benefits of the spikes' traction is nullified by their weight.

    I'm curious to see what everyone thinks.

    Also, please discuss any other factors you think of and other interesting thoughts/ observations you have.

  • geronimo

    Anonymous Poster

    16 years ago 04/11/2008 2:04am EDT
    re: geronimo

    Oh yeah, forgot to mention this, assume he's running it as fast as he can (so WR pace, for argument's sake).

  • not spikes

    Anonymous Poster

    16 years ago 04/11/2008 2:56am EDT
    re: geronimo
    http://www.letsrun.com/forum/flat_read.php?thread=2416154

  • the point could be

    Anonymous Poster

    16 years ago 04/11/2008 3:16am EDT
    re: geronimo

    does contact time T come into play as a function of traction Ft?

    Also you are assuming you need a shoe structure for the spikes.

    To work the graph in the other direction (to make the use M mass interesting), is it fair to consider minimalist non-reject bio-compatible soul implants...?

    just a thought

    when i run barefoot on track most of my friends suggest i just screw the spikes right in...

  • geronimo

    Anonymous Poster

    16 years ago 04/11/2008 3:47am EDT
    re: the point could be

    contact time is the same regardless, so that isn't a factor.

    no, the spikes needn't have any structure.

    and let's get serious now... how on earth so really light spikes (like the NB 1005s) give you any "support" anyway?

  • the point could be

    Anonymous Poster

    16 years ago 04/11/2008 4:09am EDT
    re: geronimo

    how much do they weigh? with without spikes?

    geronimo wrote:

    ... really light spikes (like the NB 1005s) give you any "support" anyway?

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