Garmin Forerunner 45S

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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.

Heart rate icon

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

Tracks data icon

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

Training plans icon

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

Smart notifications icon

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

Incident detection icon

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

Battery life icon

Log more miles between charges with up to 7 days of battery life.