Literature & guides

Learn the science behind every cue.

Short videos and notes on Session fuel, sweat, live cues and race day.

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Session fuel, explained

How carb, fluid and sodium targets adapt to sport, effort, weather and your sweat profile.

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More guides · 4

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Coming soon
Science
Why sweat sodium isn’t one number
The physiology behind personal sweat models, and why population averages fall short on race day.
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Product
From pack list to live cues
How your Nutrition stack becomes a checklist, then timed reminders on phone and watch.
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Wrist Session fuel
The Garmin data field and Apple Watch companion: what you see mid-session and how to sync.
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Coming soon
Race
Race-week fueling
Carb load, aid stations, and locking a race plan you can trust when the gun goes off.
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