How Heart Rate Monitors Work (May 2026) Complete Guide to ECG and PPG Technology

How Heart Rate Monitors Work

Every time your heart beats, it sends a signal. Whether you are training for your first sprint triathlon or preparing for an Ironman, understanding how heart rate monitors work can transform your approach to training. These devices do far more than display a number on your wrist. They decode the electrical and optical patterns your … Read more

How GPS Watches Measure Distance (May 2026) Expert Guide

How GPS Watches Measure Distance

GPS watches measure distance by receiving signals from multiple satellites and calculating your exact position through a process called trilateration. If you have ever finished a marathon only to see your watch display 26.5 miles instead of 26.2, you have experienced the quirks of this technology firsthand. I have spent years testing GPS watches across … Read more

How GPS Watches Measure Pace (May 2026) Complete Guide

How GPS Watches Measure Pace

Understanding how GPS watches measure pace can transform your training. I have spent years running with various GPS watches, and knowing the technology behind the numbers has helped me interpret my data more accurately and set realistic expectations for race day. GPS watches measure pace by receiving signals from orbiting satellites and calculating your position … Read more

What is Stack Height in Running Shoes (May 2026) Expert Guide

What is Stack Height in Running Shoes

Stack height is the amount of cushioning material between your foot and the ground in a running shoe, measured in millimeters. It includes the combined thickness of the midsole, insole, and outsole. Understanding this spec helps you choose shoes that match your running style, prevent injuries, and improve your comfort on the road or trail. … Read more

Carbon Plate Running Shoes Explained (May 2026): A Triathlon Guide

Carbon Plate Running Shoes Explained

Carbon plate running shoes explained simply: these are advanced racing shoes built with a curved carbon fiber plate embedded within a thick layer of responsive foam. The technology has revolutionized endurance running since its mainstream debut, helping elite and amateur athletes achieve faster times with less fatigue. For triathletes specifically, understanding how these shoes work … Read more