#3142596 - 01/28/13 02:50 PM
Re: Math majors and maybe even runners...question.
[Re: The Ol'Professor]
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Diehard Hunter
12 Point
Registered: 08/01/08
Posts: 5216
Loc: East Tennessee
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Everyone will have to do the math over as a 5K is 3.1 miles not 3.2 
Or be exact and use 3.15....1 km = 0.621 miles so 5 k= 3.15 miles
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One of the penalties of an ecological education is that one lives alone in a world of wounds. Aldo Leopold
Don't argue with an idiot He will drag you down to his level and beat you with experience.
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#3142608 - 01/28/13 03:01 PM
Re: Math majors and maybe even runners...question.
[Re: Bottom Hunter]
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TAFKAP
12 Point
Registered: 11/06/09
Posts: 6996
Loc: Memphis
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I posted this on facebook and got quite a few different answers and ways to get those answers.
I'm curious what i will get here, so if you like, give an answer but please include how you got it....thanks.
If I wanted to run a 28:00 minutes 5K, 3.2 miles, at what speed (mph) would I need to average to accomplish this.
The reason I ask is that I want to accomplish this and want to train on a treadmill at this mph.....I realize that road running and treadmill running is not the same, but I can more easily train on a treadmill by setting it at this mph ...
Please include your formula.....I'll tell you what i came up with later, but I'm not sure I am right.
again...participate if you want or not, your choice,and thanks to those that do..
5K = 3.106 miles, divided by 28:00 minutes, times 60minutes/hour = 6.658 mph
But more practically in "runner terms", you want to run a 9 minute mile
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Everything important in life was learned from Mary Jo Kopechne.
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#3142609 - 01/28/13 03:01 PM
Re: Math majors and maybe even runners...question.
[Re: Diehard Hunter]
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-DRM-
6 Point
Registered: 08/21/12
Posts: 521
Loc: Spring Hill, TN
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I'll ignore the math and focus more on the problem:
IMHO, trying to train based on mph. is doing it backwards, and doesn't really get you anywhere. It assumes a constant speed - which I can tell you, won't happen in real life.
What is your current 5k time on a treadmill (or road)?
Run faster till you get it under 28 minutes
Enjoy.
Your training strategy really doesn't make much sense to me.
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~DRM~
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#3142612 - 01/28/13 03:02 PM
Re: Math majors and maybe even runners...question.
[Re: Diehard Hunter]
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TAFKAP
12 Point
Registered: 11/06/09
Posts: 6996
Loc: Memphis
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Everyone will have to do the math over as a 5K is 3.1 miles not 3.2 Or be exact and use 3.15....1 km = 0.621 miles so 5 k= 3.15 miles
5K = 500,000 cm, divided by 2.54 cm/inch, divided by 12"/ft divided by 5,280'/mile = 3.106855961 mi 
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Everything important in life was learned from Mary Jo Kopechne.
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#3142624 - 01/28/13 03:13 PM
Re: Math majors and maybe even runners...question.
[Re: TAFKAP]
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-DRM-
6 Point
Registered: 08/21/12
Posts: 521
Loc: Spring Hill, TN
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Everyone will have to do the math over as a 5K is 3.1 miles not 3.2 Or be exact and use 3.15....1 km = 0.621 miles so 5 k= 3.15 miles 5K = 500,000 cm, divided by 2.54 cm/inch, divided by 12"/ft divided by 5,280'/mile = 3.106855961 mi
Pffft.
5k = wherever the race organizers say the starting line is, to wherever the race organizers say the finish line is.
Goal is to get from point A to point B in 28 minutes or less.
:p
_________________________
~DRM~
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#3142628 - 01/28/13 03:16 PM
Re: Math majors and maybe even runners...question.
[Re: TAFKAP]
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Nyper
Rainbow proud
16 Point
Registered: 11/29/00
Posts: 10237
Loc: Lebanon
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Edited: I'm a moron. I misunderstood the question. 
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#3142649 - 01/28/13 03:36 PM
Re: Math majors and maybe even runners...question.
[Re: Nyper]
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BARhunter
6 Point
Registered: 11/14/05
Posts: 767
Loc: Franklin County
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I hate math!
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Take care of God's creatures and you will be rewarded!
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#3142660 - 01/28/13 03:41 PM
Re: Math majors and maybe even runners...question.
[Re: Nyper]
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thetoolman
6 Point
Registered: 08/23/05
Posts: 844
Loc: Charlotte, Tennessee
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The correct answer is...
28 / 3.2 = 8.75 = 8 min 45 sec
Now do it backwards to check it and make sure it is right.
8m 45s x 3.2 miles = 28 miles
You may want to re-read the question.... 
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"Vegetarian" old Indian word for Bad Hunter
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