I just read a blog of a high school girl who said she just ran a 5k time trial on the cross country course that holds the Foot Locker - South region each year.
She said it was a dew point of 75 degrees at the time she ran it (she said it was 80 degrees with 85% humidity).
She ran a 17:40. How fast is that given the dew point? Is that a low 17 in good weather?
Would love to have a 75 dew point these days. 80 degree dew points are the new thing.
according to Daniels its about a 30-35 seconds burden in a 5k
If she was in the sun a lot, I would say she could easily run low 17. If it was cloudy or shady, more like a 15-20 second handicap. 75 dew is bad, but not that bad over 5k if you pace right. However, anything over 75 is exponentially worse.
that is pretty accurate for those conditions (75 dew point = 85%) - usually when people claim a certain relative humidity - the calculations do not support what they are claiming.
I would certainly think she could break 17:00 in cool and dry weather...80 is not terribly hot but 80 and humid is no picnic...i would expect her to be able to go at least 10 seconds+ per mile faster in nicer conditions.
but it is difficult to say what her time equates to exactly because different people respond differently
some adapt to heat well - some don't
some train in it - some don't
shorter races: affects are less - longer races more
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