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2011-09-09 10:21 AM

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Master
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Bedford, MA
Subject: Cooler and humid or warmer and dry??

I have a marathon in less than 48 hours and the weather is calling for temps around 60 degrees at the start, but a humidity in the 90's.

Some of my running this summer has been done under quite humid conditions and warmer temps, but my performance seems to suffer in the humidity. I seem to do better even when it's in the 80's without humidity.

Anyone want to share ideas on pacing, and whether I should adjust anything for the race (other than staying well hydrated).



Edited by natethomas2000 2011-09-09 10:23 AM


2011-09-09 1:37 PM
in reply to: #3679244

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Veteran
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Subject: RE: Cooler and humid or warmer and dry??
Sorry. No great ideas.

Other than don't wait till you feel thirsty to start taking in water. But you already knew that.

But good luck!!

JC
2011-09-09 1:53 PM
in reply to: #3679244

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Expert
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South Florida
Subject: RE: Cooler and humid or warmer and dry??

Sixty degrees should be good for running no matter what the humidity. What is the forcast high for the day? If you are planning on a 3-4 hour marathon it shouldn't be much more than 75 when you finish.

That sounds like running in paradise to me.

I try to do my long runs (8-9 miles) in the afternoon to avoid the morning humidity, but in the early mornings here its been in the low 80's with 90% humidity.

2011-09-09 2:07 PM
in reply to: #3679244

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Master
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Bedford, MA
Subject: RE: Cooler and humid or warmer and dry??

I just checked the hourly forecast. It's a 7 AM start, and the humidity is supposed to remain in the 90's through late morning. Temps are actually forecasted to remain in the low 60's with cloudy skies through when I hope to finish (around 10 AM).

I'm hoping that the lower temps and cloudy conditions will help to offset the higher than ideal humidity!



Edited by natethomas2000 2011-09-09 2:08 PM
2011-09-09 8:01 PM
in reply to: #3679244

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Minneapolis, MN
Subject: RE: Cooler and humid or warmer and dry??
I will be curious to see your results. My guess is, that it will be cool enough for a great run
2011-09-09 10:42 PM
in reply to: #3679244

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Champion
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Columbia, South Carolina
Subject: RE: Cooler and humid or warmer and dry??

I hope you have a great race.

Alas, humidity does matter, especially later in the race when core temp rises and your body is trying to stay cool.  IMO the real danger is that the difficulty of cooling doesn't really strike until abou the same time that other issues begin to come to the fore (ie., around mile 18-22).

You know from your training that humidity affects your pace.   You would be wise to respect the lessons learned from training.  I know you were hoping to go out at around 6:50 pace.  You might ned to adjust that based you your experience training in the humidity.  Of course it is disappointing, but it happens.  You can't control the weather, but you can control how wisely you respond to it.



Edited by Experior 2011-09-09 10:42 PM


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