Discrepanicies in RWGPS and Bike Hike

migrantwing

Veteran
Created a route in RWGPS and uploaded it to Bike Hike to check hill gradient. RWGPS shows two hills on my route, one with a gradient maxing out at 5.9% and another at 6.9%. When I upload it to Bike Hike, these values are 10% and 9%, respectively. 1 or 2% here and there is OK, but what is causing these quite prominent differences?

I've saved these routes as gpx, tcx and fit files, but they are all way off.
 

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migrantwing

migrantwing

Veteran
Guess not then.
 
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Pontefract
@migrantwing try uploading to strava, and create a segment for the whole ride and look at the elevation on it, you find it very close to that if you had created a route on strava.
I have never used bike hike, if I correct my ride on rwgps, my max grade is usually lower than that of the same ride uncorrected, and I generally lose a few hundred feet, which is ok, because this is the data I use for my own database, and the data should be consistent from ride to ride, unless you use a different gps unit, then you may get differences, I know I did between the 500 and the 705.
 
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migrantwing

migrantwing

Veteran
@Nigelnaturist I've looked at the route in strava and created a segment. The two gradients are now showing 9.2% and 14.5% at the highest points. Seems more like it, although I wouldn't say they were that steep. I could be wrong, though.
 

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migrantwing

migrantwing

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@Nigelnaturist Yes, I've seen some similar segments to mine on Strava and the grades fluctuate between 11% and 15%. It's all very bizarre :smile:
 
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Pontefract
@migrantwing I keep a lot of data, most of it generated from the base info from the unit, in all honesty most is irrelevant, grade I do as a max, but only the corrected one from rwgps, I have a field that shows how difficult a ride is, based on height climbed and distance, height/distance is a good indication but not the whole picture. It does however explain why I am not as fast as last Sept for example, however there are other factors as well, but we all keep things differently, when I am riding I only really look at at my cadence, the unit will show what grade I am climbing at the time but doesn't record it.
 
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