Face it, you're a nerd (you are reading Gizmodo, aren't you?). Nerds and sports have traditionally been mutually exclusive, but that's no longer the case. Technology is your friend. Here are 6 tools to make you a champ.
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In swimming, the quality of your stroke is everything. The Finis Swimsense is loaded with magnetometers and accelerometers which can tell you your stroke count, stroke rate and distance-per-stroke for the four major stroke (freestyle, back, breast, butterfly). You can then upload that data to your computer where you can analyze your cumulative data and find out where you need to improve.$200