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Amazon.com: Garmin 010-01614-00 Forerunner 735XT, Multisport GPS Running Watch With Heart Rate, Black/Gray : Electronics
Garmin Cyprus - What is Ground Contact Time and GCT Balance? This is the amount of time your foot is in contact with the ground when you're running. Basically, the fewer milliseconds
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Amazon.com: Garmin 010-01614-00 Forerunner 735XT, Multisport GPS Running Watch With Heart Rate, Black/Gray : Electronics
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