Previously there was no way to do an at-home hydration test that ALSO measures your sodium concentration. For long-course racing, getting your fluid replacement and sodium replacement rates dialed in correctly can be the difference between a great day and a lousy one.
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Want to learn more about being a NYX Endurance athlete? See our Coaching options. Not ready for coaching yet? Be a part of the NYX Mob. Used to be a NYX Mob member and want to re-activate your membership? Email firstname.lastname@example.org and we'll take care of it!