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Originally Posted by hotrod182
Some other food for thought those calculating minds out there.
So lets says the slope is determine by how much rise/decline there is over a certain distance (run). What if someone simply went down a steep 18ft cliff at the beginning of the run. Does that extra 18ft of going down hill get picked up by the GPS, as measured distance? Or does only the horizontal direction towards the finish line count? Or maybe a slight combination of the two. Is it possible the distance between start and finish may be longer than what the GPS measures if you are on a slope? If so, you may be cheating yourself out of some distance traveled by running on a slope. Maybe someone that knows exactly how the GPS distance calculations work on the Vbox can chime in.
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The vbox guys have been at this for a while now. The performance box is just a small bit of what they do. I would venture to guess that the slope is only calculated for the factual run, so if you do a 1/4 run, then it calculates the 1/4 and if it's a 60-130 then only the distance that takes up that run is added in. It would not make sense to add any time after that, weather it's acceleration or deceleration.
Just a guess though, but it makes sense