DC Rainmaker: How to swim with your Garmin Forerunner GPS

DC Rainmaker: How to swim with your Garmin Forerunner GPS.

This article is one of the growing number on ways to use your GPS device by attaching it to your head so you can swim with it and track your miles. There are also now GPSs for cycle computers and the best should have topo, altimeter, temp, traffic,

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