How to Interpret hDrop Activity Data: Sweat Rate, Sodium Loss, and Hydration Decisions
Learn to read sweat rate, sodium loss, and heat trends in your hydration dashboard to build a personalized race-day protocol that performs under pressure.
Author: hDrop Technologies
Pregnancy Hydration for Athletes: Why Sweat Rate and Sodium Loss Change Over Time
Pregnancy doesn’t make hydration dynamic, it proves it. Field data from cyclist Sarah Sturm show why one-time sweat tests miss real-world hydration shifts.
Matt Hanson on Sweat Testing and Race Fueling With hDrop
A deeper scientific breakdown of Matt Hanson’s hDrop fueling approach, with evidence-based hydration, sodium, carb, and race-adjustment protocols.
How to Get a Sweat Test: Where to Go & Use Results
Learn how and where to get a sweat test, what it costs, and how athletes can use results to build a personalized hydration strategy with hDrop.
How to Avoid the Hidden Hyponatremia Trap: Science-Backed Hydration Rules for Endurance Athletes
A science-backed guide to preventing exercise-associated hyponatremia with context-specific fluid and sodium targets for marathon and ultra athletes.
hDrop Announces Partnership with Matt Hanson to Advance Real-Time Sweat and Sodium Monitoring in Professional Triathlon
On February 12, 2026, we announced something that represents a meaningful step forward for us at hDrop. We are partnering with Matt Hanson, one of the leading competitors on the IRONMAN Pro Series circuit, to bring real-time sweat rate and sodium loss monitoring into elite long-course triathlon training and racing. This partnership is not about…
A Scientific Review: How Accurate Is Precision Hydration Sweat Testing for Real Racing?
The Precision Hydration Pilocarpine Sweat Test was progress, but a resting sweat test is not the finish line. Precision hydration deserves credit: they were the first ones that pushed athletes from generic advice toward personalization. The problem is what happens next. Many athletes take a pilocarpine sweat sodium test at rest and then turn that…
hDrop Integration with TrainingPeaks
To connect your hDrop Account to TrainingPeaks please follow these steps: To view your data in TrainingPeaks: To get the detailed graphs: Please Note:
How Accurate Is Precision Hydration Sweat Test?
Understanding your body’s electrolyte losses is key to optimizing hydration and performance. Many athletes turn to companies like Precision Hydration (PF&H) for personalized guidance. Their test uses a pilocarpine-based sweat stimulation method, a procedure derived from clinical cystic fibrosis diagnostics. Pilocarpine is applied to a small skin area (typically the forearm) to artificially induce sweat,…