Cardiac Output and Performance during a Marathon Race in Middle-Aged Recreational Runners

<table>The relationship between mean speed in the marathon (km<svg height="5.0124998" id="M162" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 4.5999999 5.0124998" width="4.5999999" xmlns="http://www.w3.org/2000/svg">
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</svg>h<sup>−1</sup>) and the drift in blood flow per meter run (COS) during the race (mL<svg height="5.0124998" id="M163" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 4.5999999 5.0124998" width="4.5999999" xmlns="http://www.w3.org/2000/svg">
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</svg>m<sup>−1</sup>).</table>

The Scientific World Journal

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Figure 8

Figure 8: Cardiac Output and Performance during a Marathon Race in Middle-Aged Recreational Runners 