Running watches are specialized timepieces designed to help runners track their performance and improve their training. They typically feature GPS technology to measure distance, pace, and route, allowing users to monitor their progress over time. Many models also include heart rate monitors, which provide insights into cardiovascular fitness. In addition to tracking metrics, running watches often come with various training features, such as interval timers and customizable workouts. Some models can sync with mobile apps, enabling users to analyze their data and share it with others in the running community. Popular brands include Garmin, Polar, and Suunto.