Forums >Gears and Wears>Garmin / MB differences
Out there running since dinosaurs roamed the earth
I've got a fever...
On your deathbed, you won't wish that you'd spent more time at the office. But you will wish that you'd spent more time running. Because if you had, you wouldn't be on your deathbed.
Good Bad & The Monkey
Is it correcting for elevation change or some other effect I'm not aware of?
I'm running somewhere tomorrow. It's going to be beautiful. I can't wait.
Poor baby
Master of the Side Eye
No. And if it were, it would not make much difference. I have previously posted the following: --------------------------------------------------------------------------------------------------------------------------- Doing the math: Grade is defined as rise over run, multiplied by 100. So a course that rises 100 feet over a mile is (100 / 5280) * 100 = 1.8% To determine the distance run on the hypotenuse of this route, you can apply the Pythagorean Theorum, which states that A^2 + B^2 = C^2 (where the notation ^2 means squared). So in a triangle formed on one side by the distance 5280 feet and on another side by the distance 100 feet, your hypotenuese = sqrt(5280^2 + 100^2) = 5 280.9. Catch that? A 2% grade, which is just over a 100 foot climb over a mile adds one foot to your distance. That is less than 0.1% error per mile, which is insignificant. That is less than a foot of error per mile. This may matter more on a nasty run, such as the Pikes Peak Marathon. The Pikes Peak Marathon includes a 13 mile climb up more than 7500 feet, with an average 11% grade. Assuming you actually do climb 13 miles in 7500 feet, let's determine the error. 13 * 5280 = 68 640 feet. Applying the Pythagorean Theorum, we get sqrt(68 640^2 + 7500^2) = 69 048.5 feet. That is a difference of 408.5 feet over 13 miles (31 feet per mile), or a 0.6% error. Or for a steady 10% grade over a mile: A = 5280 feet B = 0.1 * A = 528 feet C = sqrt((5280^2) + (528^2)) = 5306 feet So, by climbing a 10% grade for a whole horizontal gmap mile, you have added 26 feet. That is an additional 0.4%. Not worth it to me.
TRUST THE PROCESS
A Saucy Wench
I have become Death, the destroyer of electronic gadgets
"When I got too tired to run anymore I just pretended I wasnt tired and kept running anyway" - dd, age 7