In the box:
- Forerunner 45
- Charging/data cable
- Monitors heart rate at the wrist
- GPS tracks pace, distance, intervals and more
- Free Garmin Coach adaptive training plans
- Smart notifications
- Incident detection and assistance features
- Up to 7 days battery life
Designed for runners
Run far with a smaller-sized lightweight watch that fits comfortably and won't hold you back.
Light and sporty materials
The sweat-ready silicone band makes chafing a thing of the past.
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
The watch constantly samples your heart rate1and will alert you if it stays too high or too low while you’re at rest. It also helps gauge how hard you work during activities.
Track where you run, and get accurate stats, including distance, pace and intervals.
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.
Find out if you’re having a calm, balanced or stressful day. Relax reminders will even prompt you to do a short breathing activity.
Body battery energy monitor
Track your body’s energy levels so you can find the best times for activity and rest.
While you’re out and about, Forerunner 45S tracks steps, intensity minutes and more.
Receive emails, texts and alerts right on your watch when paired with a compatible smartphone.
Safety and tracking features
If you feel unsafe or if your watch senses that an incident occurred, assistance and incident detection features3 send your location to emergency contacts.
Small: 39.5 x 39.5x 11.4mm
Large: 42 x 42 x 11.4mm
208 x 208 pixels
Smartwatch Mode: Up to 2 weeks
GPS Mode: Up to 20 hours
Chemically strengthened glass
200 hours of activity data
Daily Smart Features
Compatible with Garmin connect mobile
Controls smartphone music
Find my watch
Find my phone feature
Garmin elevate wrist heart rate monitor
Activity Tracking Features
Wrist based heart rate
Daily resting heart rate
Abnormal heart rate alerts
All day stress tracking
Relaxation breathing timer
|Safety and tracking features||
Running, indoor track, treadmill and trail
GPS based distance
Biking (indoor biking may be added through the app)