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Breaking 18min 5k barrier
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Midlifecrisisrunner17




Joined: 18 Jun 2017
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Post Breaking 18min 5k barrier  Reply with quote
I've been trying to break 18mins in a 5k for the last couple yrs.  Anyways I ran a 5k yesterday in 18:30. It was nearly 80 degrees at the start.  Not making excuses. Just wondering, had it been a cool crisp fall day in the 40's or 50's would I have a had a legit shot at breaking 18? Thanks for your time.
Sun Jun 18, 2017 4:10 pm View user's profile Send private message
kenjohn
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Post Re: Breaking 18min 5k barrier Reply with quote
Midlifecrisisrunner17 wrote:
I've been trying to break 18mins in a 5k for the last couple yrs. †Anyways I ran a 5k yesterday in 18:30. It was nearly 80 degrees at the start. †Not making excuses. Just wondering, had it been a cool crisp fall day in the 40's or 50's would I have a had a legit shot at breaking 18? Thanks for your time.


I guess that you're not in South Africa, as we work in Celsius and you appear to be quoting Fahrenheit temperatures! 80 Fahrenheit is around 27 Celsius, which is relatively warm, while 45 is just 7 Celsius.

From a personal point of view, I run far better and more comfortably in cooler temperatures, although here in South Africa, we have many people who are used to running in the heat and run very well.

I can't comment on whether a cooler temperature would have taken as much as 30 seconds off your 5km time. There are other factors, such as the toughness of the route or terrain that you are running on, or even your current fitness level, but based on my experience, in cooler temperatures you should be running a little faster, although you would need more of a proper warm up first.

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husky28
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Post Reply with quote
I read a lot of planning on the 2h marathon and it seemed like the ideal temp was 10-15 deg C.
From personal experience I also perform a lot better in cold than heat. But 30sec is a lot on a 5k.



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Fri Jun 23, 2017 10:08 am View user's profile Send private message
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