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A comment on Is water always the best choice on a hot day?. Parent comment

Re:Is water always the best choice on a hot day? by NathanielK on Saturday August 14, 2021 @06:53PM (#28184630)
It's fairly common in athletes. 13% of the marathon runners tested [0] had hyponatremia. This was at the Boston Marathon, a fairly exclusive race with experienced runners.

[0] https://www.nejm.org/doi/full/10.1056/NEJMoa043901

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Re:Is water always the best choice on a hot day? by cafard on Sunday August 15, 2021 @08:56AM (#28188412)
Runners with slower times, over 4 hours, seemed to be more likely to suffer. The announced qualifying times for the 2022 Boston Marathon include 3:55 for women 50 to 54 and 3:50 for men 60 to 64.
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Re:Is water always the best choice on a hot day? by alisonkisk on Sunday August 15, 2021 @08:29AM (#28188219)
Running a marathon (or any endurance evening) is an extreme activity that is in the category of "make it happen". It burns double or more the calories of any pro sport.
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