GPS tracking in Go Couch to 5k vs Garmin Forerunner 610
Go Couch to 5k 2.0 is sent to Apple for App Store approval. Yay!
As part of the ongoing testing, we compared the tracking accuracy (on iPhone 4S) with Garmin Forerunner 610 watch. We used extended version of the test path used in previous article. This path is almost exactly 1km long.
Garmin Forerunner 610 tracking
This is from our app:
Go Couch to 5k on iPhone 4S
Garmin calculated the covered distance as 980m. Go Couch to 5k reported it as 1060m.