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Garmin Forerunner 45S GPS Running Watch with Coach Free Training Plan Support (Black, 39mm)

by Garmin
Original price $0.00 - Original price $0.00
Original price $0.00
$199.99 - $199.99
Current price $199.99


Garmin Forerunner 45S GPS Running Watch with Coach Free Training Plan Support (Black, 39mm) - 010-02156-02

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.


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.


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.


Stress Tracking

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.


Fitness Tracking

While you’re out and about, forerunner 45s tracks steps, intensity minutes, and more.


Smart Notifications

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 features send your location to emergency contacts.


Connect IQ Store

Download custom watch faces, add data fields and get apps and widgets from the Connect IQ store.


Music Controls

Easily control the music playing on your phone, so you can skip songs without missing a beat.


Syncs With Garmin Connect

Upload your activities to the Garmin connect the app to interact with a thriving online community where people on the go can connect and compete and even share their triumphs via social media.



  • Lens material: Chemically strengthened glass
  • Strap material: Silicone
  • Color display: Yes
  • Display size: 1.04-inch diameter
  • Display resolution: 208 x 208 pixels
  • Display type: Sunlight-visible, transflective memory-in-pixel (mip)
  • Battery life:
    • Smartwatch mode: up to 7 days
    • GPS mode: up to 13 hours
  • Water rating: 5 atm
  • Memory/history: 200 hours of activity data
  • Physical size:
    • 39.5 x 39.5 x 11.4 mm
    • Fits wrists with a circumference of 124-185 mm
  • Weight:
    • Small: 32 g
    • Large: 36 g


Clock Features

  • Time/date: Yes
  • GPS time sync: Yes
  • Automatic daylight saving time: Yes
  • Alarm clock: Yes
  • Timer: Yes
  • Stopwatch: Yes


Health Monitoring

  • Wrist-based heart rate (constant, every second): Yes
  • Daily resting heart rate: Yes
  • Abnormal heart rate alerts: Yes (high and low)
  • Fitness age: Yes (in-app)
  • Body battery energy monitor: Yes
  • All-day stress: Yes
  • Relaxation breathing timer: Yes
  • Sleep: Yes (advanced)



  • GPS: Yes
  • Glonass: Yes
  • Galileo: Yes
  • Garmin elevate wrist heart rate monitor: Yes
  • Accelerometer: Yes
  • Daily smart features
  • Connectivity: Yes
  • Connect IQ (downloadable watch faces, data fields, widgets, and apps) yes (watch faces only): Yes
  • Smart notifications: Yes
  • Calendar: Yes
  • Weather: Yes
  • Controls smartphone music: Yes
  • Find my phone: Yes
  • Find my watch: Yes
  • Smartphone compatibility: iPhone, android
  • Pairs with Garmin connect mobile: Yes
  • Safety and Tracking Features
  • Live track: Yes
  • Live event sharing: Android only
  • Incident detection during select activities: Yes (smartphone required)
  • Assistance: Yes (smartphone required)


Activity tracking features

  • Step counter: Yes
  • Move bar (displays on device after a period of inactivity; walk for a couple of minutes to reset it): Yes
  • Auto goal (learns your activity level and assigns a daily step goal): Yes
  • Calories burned: Yes
  • Distance traveled: Yes
  • Intensity minutes: Yes
  • True-up: Yes
  • Move IQ: Yes


Gym and Fitness Equipment

  • Available gym activity profiles: Cardio and elliptical training, stair-stepping, yoga may be added through the app


Training, Planning and Analysis Features

  • HR zones: Yes
  • HR alerts: Yes
  • HR calories: Yes
  • HR broadcast (broadcasts hr data over ant+™ to paired devices): Yes
  • GPS speed and distance: Yes
  • Customizable data pages: Yes
  • Customizable activity profiles: Yes
  • Auto pause: Yes
  • Interval training: Yes
  • Advanced workouts: Yes
  • Downloadable training plans: Yes
  • Auto lap: Yes
  • Manual lap: Yes
  • VO2 max (run): Yes
  • Audio prompts: Yes
  • Touch and/or button lock: Yes
  • Activity history on watch: Yes
  • Physio true-up: Yes


Running Features

  • Available run profiles: Running, treadmill running. indoor track running may be added through the app
  • GPS-based distance, time, and pace: Yes
  • Cadence (provides a real-time number of steps per minute): Yes
  • Run workouts: Yes
  • Foot pod capable: Yes


Cycling Features

  • Alerts (triggers an alarm when you reach goals including time, distance, heart rate, or calories): Yes
  • Available cycling profiles: Biking. indoor biking may be added through the app
  • Speed and cadence sensor support (w/sensor): Yes

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.