HYDROX - Training Hydration

Race Packs are here: 8-day hydration protocols for those who race, built on peer-reviewed sports science with sodium loading, race week, race day and recovery timeline

Your hydration target, calculated. Not guessed. HYDROX uses your body weight and training intensity to set a daily target based on the same protocols used in elite athletic programs (combining guidance from the American College of Sports Medicine and published research from leading sports science researchers)

Built for athletes who train: Barry's, HYROX, runners, cyclists, surfers, skiers, sports enthusiasts and everyday athletes. Not step-counter civilians

SET YOUR BASELINE Your target comes from your body weight using the American College of Sports Medicine (ACSM) protocol, not a generic "8 glasses a day" number

TRAINING MODE Select Easy, Moderate, or Hard and your daily goal adjusts using the Galpin equation based on body weight and workout intensity

ONE-TAP LOGGING Tap the gauge to log, long-press for custom amounts, or log from your widget or lock screen without opening the app

SMART REMINDERS Hourly pacing that adjusts to your progress, backs off when you're ahead, and nudges when you're behind

HYDROX PRO • Apple Watch app with gauge and complications on any watch face • Log from your wrist in a single tap • Adaptive Hydration that reads workout data from HealthKit and adjusts your daily target automatically • Auto-intensity based on heart rate, so a hard session pushes your target up and a rest day keeps it at baseline

THE SCIENCE Baseline from ACSM guidelines. Training intensity from the Galpin equation. Race Packs cite 16+ studies on sodium loading, HRV monitoring, and post-exercise rehydration. WHOOP research links hydration to higher HRV. And coffee counts as hydration (Killer et al 2014).

EVERYTHING ELSE • HealthKit sync • Lock screen and home screen widgets • Quick actions from home screen • No account, no ads, data stays on your device

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