Map My Walk timer?

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Just curious if anyone out there has noticed the timer not being right on Map My Walk. Yesterday it told me I walked 1.67 miles, and the calorie count seems pretty accurate, but told me I did this in 9 minutes! I can assure you this is untrue. Anyone know why this could happen? Just would like to be able to log the correct amount of time in MFP. Anyone else notice this glitch?