THE BEST WAY to track your fitness goals and monitor your health data is a great smartwatch, and there is no brand out there doing them better than Garmin. The company first specialized in developing cutting-edge GPS for the aviation industry,

This year's Black Friday sales include a ton of deals on Garmin watches in particular. The Forerunner, Instinct, Vivoactive, and Venu lines all have models on sale today at 20% off, or more. Older models are on sale as well,

The Expert: Matthew Medendorp is a professional gear tester and freelance writer who spends most of his weekly miles pushing a jogging stroller. He’s a proud slow marathoner and founder of the world’s only (unsanctioned) Billy Murray-themed, midnight trail race. You can read his work in GearJunkie, Travel + Leisure, and at mattmedendorp.com