Cross Country Ski Gear and Reviews

Polar S-710 Heart Rate Monitor Graph from the Chestnut Valley GLD Freestyle Race

1/8/2002 - By Greg Worrel

Chestnut Hill was my first race using a new Polar S-710 heart rate monitor which captures heart rate data every 5 seconds. It stores many hours of data which can be uploaded to a computer and saved in a workout and analysis program that Polar provides.,

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