Why Two Athletes at the Same Race Have Completely Different Hydration Needs

Why Two Athletes at the Same Race Have Completely Different Hydration Needs

Why Two Athletes at the Same Race Have Completely Different Hydration NeedsReece Noble
Published on: 06/05/2026

Same distance, same conditions, same finish line — and wildly different sodium requirements. Here's why.

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The One Test That Doesn't Change — Why Your Sweat Data Is Useful Forever

The One Test That Doesn't Change — Why Your Sweat Data Is Useful Forever

The One Test That Doesn't Change — Why Your Sweat Data Is Useful ForeverReece Noble
Published on: 06/04/2026

Unlike VO2 max or lactate threshold, your sweat sodium concentration is fixed. Test once, and the data never expires.

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How to Build Your Ironman Hydration Plan From Your Sweat Test Results

How to Build Your Ironman Hydration Plan From Your Sweat Test Results

How to Build Your Ironman Hydration Plan From Your Sweat Test ResultsReece Noble
Published on: 17/12/2025

A step-by-step guide to translating your sweat data into a leg-by-leg race day plan — from the swim exit to the finish line.

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What Is a Sweat Test — And Do You Actually Need One?

What Is a Sweat Test — And Do You Actually Need One?

What Is a Sweat Test — And Do You Actually Need One?Reece Noble
Published on: 16/09/2025

What it measures, how the test works, and who genuinely stands to benefit. A clear breakdown with no hype.

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