I phone strava app

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Buck

Guru
Location
Yorkshire
The accuracy of the GPS is going to be marginally less accurate in a phone I guess.

On those times the difference is just over 1% so I wonder what margin of error/tolerance they deem to be OK?
 

vickster

Legendary Member
I use an iPhone and a garmin 800. The iPhone measures slightly greater distance, the garmin greater average speed. I take both with a pinch of salt. On the same ride, can get different strava feedback. I upload most of my rides from the iPhone just because it's instant and no need to hook to a laptop, i only save from the garmin for longer rides and then delete the IPhone ones

Both fair nonsense on top speeds, climbing and calories
 

bpsmith

Veteran
A few of the Garmin's now upload through your phone, so negates the need to connect to computer also.

Have had a few discussions about Garmin's showing greater elevation on those with a barometric sensor. Mainly down to Strava elevation data being wildly inaccurate outside of the US. Down to the elevation data being only accurate to within 50-80 metres in the UK!

There's a segment close to me, which Strava shows as having a 7ft total elevation. Segment is 0.5 miles long and starts and finishes at rail track level and, you guessed it, goes over the track via a bridge on this busy bypass section. Has anyone seen a train for trough a tunnel that's only 7ft tall including the bridge thickness and road above it? ;)

On the flip side, the elevation data on a number of mates' Garmin's, including mine sometimes, shows different elevation for the exact same route on different days. This is down to temperature and wind direction affecting the readings. I usually put mine outside for a while before using, to get the most accurate readings.

I very rarely saw any issues with Distance or Speed variance when running Garmin vs iPhone App when I first got the Garmin though.
 
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