Fig 4.

Median rate of intake of sodium in supplements during each course segment for those with either cramping or near cramping (closed circles and solid lines) and those without cramping (open circles and dashed lines) during the same segment (upper graph) and during the subsequent segment (lower graph). Data include finishers and non-finishers. Error brackets represent interquartile range. Data points are offset slightly along the horizontal axis for clarity of the error brackets