Sweat Rate
7 articles
HydrationSeptember 15, 2026 · 10 MIN
Ultra-Running Hyperhydration: Fluid Strategies Beyond 50 Miles
Hydration demands in ultra-running beyond 50 miles diverge sharply from standard marathon protocols. Sodium losses of 900–1800 mg/hr, the constant threat of hyponatremia, and the need for real-time body weight checkpoints require a distance-specific fluid strategy that adapts as the race unfolds.
HydrationAugust 15, 2026 · 8 MIN
Your Race-Day Hydration Plan: A Mile-by-Mile Marathon Drinking Strategy
Drink too little and you bonk. Drink too much and you risk hyponatremia. This mile-by-mile hydration plan — calibrated to your sweat rate, race pace, and weather — keeps you in the performance sweet spot.
HydrationAugust 5, 2026 · 6 MIN
Evening and Night Running: How Hydration Needs Differ After Dark
Evening runners face hydration conditions that differ from morning training — often starting the session already mildly dehydrated from a full day of activity, in cooler temperatures that mask thirst. A practical guide to night run hydration and pre-session preparation.
HydrationAugust 2, 2026 · 7 MIN
Training in Heat and Humidity: Why Humidity Changes Everything About Hydration
High humidity prevents sweat evaporation — the body's primary cooling system — causing heat to accumulate despite continued sweating. WBGT thresholds, humidity-adjusted fluid targets, and sodium replacement protocols for summer training and tropical race preparation.
HydrationJuly 26, 2026 · 7 MIN
Indoor Cycling Hydration: Why You Sweat More on the Turbo Trainer
Indoor cycling produces 20–50% more sweat than outdoor riding at identical power outputs — yet most athletes drink the same amount. This guide explains why and provides a practical indoor hydration protocol.
HydrationJuly 10, 2026 · 7 MIN
Sweat Testing for Personalized Hydration: How to Measure What You Lose and Replace It Precisely
Generic hydration guidelines miss the enormous individual variation in sweat rate (0.5–2.5L/hr) and sodium concentration (200–2,000mg/L). Sweat testing gives you the numbers to build a truly personalized strategy.
HydrationJune 9, 2026 · 7 MIN
How to Measure Your Sweat Rate: A Step-by-Step Guide for Runners
Generic hydration guidelines are built on population averages that may be completely wrong for you. Here's how to measure your actual sweat rate in 60 minutes — and what to do with the result.