Up to 7 days of battery life in smartwatch mode and up to 6 hours in GPS mode with music Music

Features

The Up to 7 days of battery life in smartwatch mode and up to 6 hours in GPS mode with music Music is the feature-packed GPS running watch that does everything most runners need—and then some.

Garmin's newest watch tracks your daily miles using GPS, GLONASS or Galileo satellite systems; it has a built-in heart rate monitor to keep tabs on how hard you're pushing; and it has a waterproof rating of 5 ATM, which means it's good down to 50 meters.

Saucony Triumph 21 Forerunner 235 by adding new features and improving on some old ones. One of the biggest additions to the 245 is Garmin's Running Awareness features that let you share your location with a list of contacts so you can stay safe (or just let them track you during a race). You can also sync the watch with your smartphone to get text, email and other notifications right on your wrist.

Designers also improved the Bluetooth capabilities, tacked on a Wi-Fi connection, gave it space to hold up to 500 songs and added more training metrics to help you run and recover smarter. (The base Up to 7 days of battery life in smartwatch mode and up to 6 hours in GPS mode with music ASICS GEL-Kayano 30.)

In a review of the Up to 7 days of battery life in smartwatch mode and up to 6 hours in GPS mode with music, our tester loved how comfortable the watch is and how easy it is to keep track of daily and weekly mileage. She used it during training for a 100-mile race, and the ample battery life kept her running through 80-mile training weeks.

On Cloud 5.