A Running Discrepancy

Ever have that feeling something is too good to be true, and then you find out it is?  
Well, I’ve enjoyed hearing my Nike+ tell me on my runs that I’m averaging a 9:20 – 9:30 minute mile, but I’ve just been so surprised…and wondered if it was true, because I just didn’t think / couldn’t believe I was that fast. and chalked it up to cold weather running.
So, today I wore my Garmin on my run to compare.  The times were the same, but the distances were not.  And my gut instinct seems to be correct. 
My Nike+ on my iPhone said I ran this today: 
But my Garmin said this (bottom right is distance): 
To figure out who was closer to the correct distance I took my car out and drove the path I ran and the odometer came out with this: 
So, it appears my Garmin is correct and the Nike+ GPS is not, which would explain why the Nike+ has this option: 
Edit my run?  I thought the whole point of having this app was to have the Nike+ tell me how far I ran, not for me to program it.  😦
Needless to say I’m a bit sad, but not surprised.  In the races I’ve ran I used my Garmin and my time/distance is usually only seconds different than the race timing chip clocks me at. 
My main upset is that I bragged about my fastest 5K on Thanksgiving morning, which is probably not true.  I’m still around a 33 minute 5K.
Oh well…That’s okay..it just doesn’t sound as good as less than 30 minutes did.  🙂 
Has anyone else had this problem?  I’m going to look into it further and even email Nike+ people and see if I can find out if there is something I’m supposed to do to correct this issue.  
I’ll keep you posted if I hear back from them. 
In the meantime, it was a beautiful day to run today and I enjoyed it immensely.  🙂

About Leah@MyNewEnding

I'm a 44-year-old wife and mother who begins her day with God and coffee. When my youngest of 3 kids started college I went from a SAHM to a full-time job. I love being an attendance secretary. A lot has gone on since I started this blog in 2009, but one thing remains the same: I will not give up on my health. Join me as I share what that means for the season of life I'm in.
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2 Responses to A Running Discrepancy

  1. Kari says:

    I find that my Nike+ has “off” days. I have 3 or 4 routes that I always run. Usually Nike is right on. I think it has to do with satellite service + weather.

    Like

  2. Siobhan says:

    I use FitBit and find that the exact same route can vary on it from 2.89 to 3.19, which is actually okay because I call it 3.

    Like

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