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Phoenix is pretty flat, -50ft going to work, +50ft going home, all very evenly distributed.
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Originally Posted by tarwheel
(Post 13730728)
Where do you people get your elevation data? I've got a GPS tracker (Cyclemeter) on my iPhone but the elevation data are essentially worthless. Eg, on four different days commuting the same route and distance to work, it showed elevation gains of 1170, 4000, 1945 and 1534 feet. Even if I throw out the outlier (4000), that would average out to about 1500 feet of climbing one way, which would mean a roundtrip elevation gain of 3000 feet over 30 miles. I doubt it. My route is hilly but I don't think it has that much climbing.
Data from the GPS I'm using (a car GPS) is unreliable and always overestimates. I've tried mapmyride as well but found ridewithgps the more reliable. Strava might work too (haven't used it much). |
1 Attachment(s)
470ft over 7 mi. All downhill in the morning, all uphill on the way home
(this is going from work to home) http://bikeforums.net/attachment.php...hmentid=234011 |
Checked my Cyclemeter app again today and it showed 1,170 feet of gain in the morning and 2,594 in the afternoon, for a total elevation gain of 3,764 over 30.5 miles. That would equate to 10,000+ feet of climbing extrapolated to a century ... which is why I don't believe these GPS readings. The other reason why I don't trust the readings is that vary widely from day to day, riding the same route.
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Originally Posted by idc
(Post 13731425)
ridewithgps.com
Data from the GPS I'm using (a car GPS) is unreliable and always overestimates. I've tried mapmyride as well but found ridewithgps the more reliable. Strava might work too (haven't used it much). |
Originally Posted by idc
(Post 13731425)
ridewithgps.com
Data from the GPS I'm using (a car GPS) is unreliable and always overestimates. I've tried mapmyride as well but found ridewithgps the more reliable. Strava might work too (haven't used it much). |
I live in Houston the high rises are the largest gain over sea level than any bike accessible service road.
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I've only got a couple of hills in my commute, but both of them are @ss kickers. Yesterday I gave up and walked up both of them.
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Originally Posted by ultimattfrisbee
(Post 13737420)
Don't have a computer on my bike. Chart all of them on mapmyride.com after the fact. I save the ones I do regularly so I can do a quick check and enter my mileage. No idea how accurate it is.
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around 400 ft going to work
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Maybe a foot the length of my driveway, then maybe three feet the length of the entrance to the parking lot at work. There is a speed bump, then I have to hop up a curb to the bike rack, so that's another 4" or so. Aside from that it's pretty flat.
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+540 ft over 2.5 miles in the morning, all the climbing is in the last 1.2 miles, makes for a nice morning workout.
-540 ft over 2.5 miles in the pm, nice cruise home at night. |
Originally Posted by idc
(Post 13740482)
Maybe try ridewithgps and see if it gives you a comparable/realistic elevation data/profile. I don't know how they all get their data but in my experience ridewithgps is better than mapmyride
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About 500 feet in about 5 miles. Same amount of climbing on the way home.
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Central Indiana is pretty flat. My commute is flatter than that.
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