Tracker Season 3 is finally coming back and could see Justin Hartley in a new type of danger fans won't expect.

As a certified personal trainer, I tested 14 wearables over eight months while training, running and swimming. Here are the best fitness trackers and watches in 2026.

The top Bluetooth trackers, Apple's second-gen AirTag and all four Tile models, go head-to-head in our tests to determine which one deserves a spot on your key ring.