Author Topic: Barometric Pressure on Ascent Day  (Read 1813 times)

ScottVoo

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Barometric Pressure on Ascent Day
« on: August 22, 2017, 05:02:26 PM »
I heard a few people mention that the barometric pressure was unusual on the day of the Ascent.  Is it true that this can have an impact on performance?  I ran slower than I wanted to, especially above tree line....imagine that.  Maybe I'm just looking for an excuse :)  Does anyone know the science behind this?  Times in general looked a fair amount slower than last year.  Of course, it was warmer than last year too.  Thanks for any info.

pmcgrath

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Re: Barometric Pressure on Ascent Day
« Reply #1 on: August 23, 2017, 08:46:20 PM »
I was also slower than I thought I was going to be.  Mark Tatum, the 55-59 age group winner, posted this link on Strava that talks about the effects of barometric pressure and high temperature:

http://nm.milesplit.com/articles/90135/its-not-just-altitude-folks

This article makes it sound like it could have made a very significant difference.