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A RUNNING WATCH THAT WON’T WEIGH YOU DOWN
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.
GARMIN COACH: These adaptive training plans feature guidance from expert coaches and free training plans that adapt to you and your goals. Workouts sync right to your watch.
BUILT-IN SPORTS APPS: Switch up your workout routine with activity profiles for cycling, treadmill running, indoor track, elliptical, cardio, yoga and more.
WRIST-BASED HEART RATE: Get heart rate data1 along with alerts if your heart rate stays high while you’re at rest. Even gauge how hard your heart is working during activities.
BUILT-IN GPS: Track where you run, and get accurate stats, including distance, pace and intervals.
BATTERY LIFE: Run to your heart’s content with up to 7 days of battery life in smartwatch mode and up to 13 hours in GPS mode.