Forerunner 45S

Monitors heart rate at the wrist¹, because a finger on the pulse is so old school.

For concrete proof that you crushed it, GPS tracks pace, distance, intervals and more.

Get yourself on the road to glory with free Garmin Coach adaptive training plans.

Say goodbye to missed texts with smart notifications² delivered right to your wrist.

We’ve got your back with built-in incident detection and assistance features³.

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 too high or too low while you’re at rest. Gauge how hard your heart is working during activities, even underwater.

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.