I have been running for the last two weeks with my Forerunner 220 GPS watch. I was wondering how accurate this watch is to make sure I'm doing proper training.
I have been running for the last two weeks with my Forerunner 220 GPS watch. I was wondering how accurate this watch is to make sure I'm doing proper training.
Garmin would say "very accurate!" A GPS equipment engineer would probably laugh.
I spend part of my time mapping things using GIS, so I "know."
Don't get transfixed on this. If you want accuracy, use a stopwatch.
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