Forerunner 45S is the smaller-sized GPS running watch with all the running-related features you need in a sleek, lightweight smartwatch you’ll want to wear all day and night.
Monitors heart rate at the wrist, because a finger on the pulse is so old school.
Get yourself on the road to glory with free Garmin Coach adaptive training plans.
Track where you run, and get accurate stats, including distance, pace and intervals.
Log more miles between charges with up to 7 days of battery life.