![Kona-34071](http://cdn.triathlon.competitor.com/files/2016/01/Kona-34071-320x213.jpg)
Putting in a successful 26.2-mile run means paying close attention to details during the swim, bike and transitions. Photo: Kurt Hoy
If you are a middle of the pack Ironman athlete and wonder where you can make your biggest gains, the answer usually lies in the run.
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