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#3142596 - 01/28/13 02:50 PM Re: Math majors and maybe even runners...question. [Re: The Ol'Professor]
Diehard Hunter
CRAMP
12 Point


Registered: 08/01/08
Posts: 6888
Loc: East Tennessee

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 Originally Posted By: The Ol'Professor
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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The recreational value of a game animal is inverse to the artificiality of its origin and the intensiveness of the management system that produced it. Aldo Leopold


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#3142604 - 01/28/13 02:58 PM Re: Math majors and maybe even runners...question. [Re: Diehard Hunter]
The Ol'Professor
6 Point


Registered: 04/16/08
Posts: 927
Loc: Mid TN

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 Originally Posted By: Diehard Hunter
 Originally Posted By: The Ol'Professor
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


Or Really exact with 3.10686 \:D \:D
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The wealthy man can get hunting anyhow, but the man of small means is dependent solely upon wise and well-executed game laws for his enjoyment of the sturdy pleasure of the chase. Theodore Roosevelt

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#3142608 - 01/28/13 03:01 PM Re: Math majors and maybe even runners...question. [Re: Bottom Hunter]
TAFKAP
14 Point


Registered: 11/06/09
Posts: 9651
Loc: Memphis

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 Originally Posted By: Bottom Hunter
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]
-DRM-
6 Point


Registered: 08/21/12
Posts: 774
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]
TAFKAP
14 Point


Registered: 11/06/09
Posts: 9651
Loc: Memphis

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 Originally Posted By: Diehard Hunter
 Originally Posted By: The Ol'Professor
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 ;\)
_________________________
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]
-DRM-
6 Point


Registered: 08/21/12
Posts: 774
Loc: Spring Hill, TN

Offline
 Originally Posted By: TAFKAP
 Originally Posted By: Diehard Hunter
 Originally Posted By: The Ol'Professor
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
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~DRM~

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#3142628 - 01/28/13 03:16 PM Re: Math majors and maybe even runners...question. [Re: TAFKAP]
Nyper
16 Point


Registered: 11/29/00
Posts: 11210
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]
BARhunter
8 Point


Registered: 11/14/05
Posts: 1262
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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#3142651 - 01/28/13 03:37 PM Re: Math majors and maybe even runners...question. [Re: Nyper]
fredfred
8 Point


Registered: 06/24/12
Posts: 1839
Loc: crossville, tn

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My daughter runs it in 19:20 \:D
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AKA: Luke Sky Dumper

Democrats and liberals have turned our country into a bunch of SISSYS

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#3142660 - 01/28/13 03:41 PM Re: Math majors and maybe even runners...question. [Re: Nyper]
thetoolman
8 Point


Registered: 08/23/05
Posts: 1487
Loc: Charlotte, Tennessee

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 Originally Posted By: Nyper
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.... \:D
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