Forerunner 45, Lava Red, Garmin
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Forerunner 45, Lava Red

Garmin

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You're a Runner, So Train Like One

The Forerunner 45 is an elegant and lightweight GPS smart running watch equipped with all the running features you need, suitable for both day and night wear.

  • It tracks your wrist-based heart rate1 because measuring with a finger is so old-fashioned.
  • GPS monitors your pace, distance, intervals, and other metrics for concrete evidence of your success.
  • Embark on the road to glory with free customizable training plans from Garmin Coach.
  • Track where you run and get precise statistics, including distance, pace, and intervals.
  • Say goodbye to missed messages with smart notifications2 delivered directly to your wrist.
  • We've got your back with built-in incident detection and assistance features3.
  • Record more kilometers between charges with up to 7 days of battery life.

Garmin Coach

These customizable training plans provide you with advice from expert trainers and free training plans that adapt to your needs and goals. Workouts sync directly to your watch.

Built-In Sports Apps

Change up your exercise routine with activity profiles for cycling, treadmill running, indoor track running, elliptical, cardio, yoga, and other activities.

Wrist-Based Heart Rate Sensor

Gain insight into heart rate data1 with alerts if your heart rate remains high during rest. Measure even the effort of your heart during activities.

Built-In GPS

Track your running route and get precise statistics, 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. Relaxation reminders will even prompt you to do a short breathing activity.

Body Battery™ Energy Monitor

Measure your body's energy levels to find the best times for activity and rest.

Fitness Tracking

As you move, the Forerunner 45 tracks your steps, floors climbed, intense minutes, and more.

Smart Notifications

Receive emails, messages, and alerts directly on your watch when paired with a compatible smartphone.

Safety and Tracking Features

If you don't feel safe or if the watch detects an incident, safety and incident detection3 features will 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 Control

Easily control the music playing on your phone without stopping to change songs.

Sync with Garmin Connect™ App

Upload your activities to the Garmin Connect app to interact with a thriving online community where active people connect, compete, and even share their achievements on social media.


1Accuracy of activity tracking
2When paired with a compatible smartphone
3When paired with a compatible smartphone. Additional details on safety and tracking feature requirements and limitations are available at Garmin.com/safety.

Specifications:

General

LENS MATERIAL Chemically Strengthened Glass
BAND MATERIAL

Silicone

CASE SIZE, W x D x H

Small (S): 39.5 x 39.5 x 11.4 mm
Fits wrists with a circumference of 124 – 185 mm

Large (L): 42 x 42 x 11.4 mm
Fits wrists with a circumference of 129 – 197 mm

COLOR DISPLAY Yes
DISPLAY SIZE, W x H Diameter 26.3 mm (1.04 inches)
DISPLAY RESOLUTION, W x H 208 x 208 pixels
DISPLAY TYPE Sunlight-readable, transflective, memory-in-pixel (MIP)
WEIGHT

Small (S): 32 g
Large (L): 36 g

BATTERY LIFE Smartwatch mode: up to 7 days; GPS mode: up to 13 hours
WATER RESISTANT Yes (50m)
BUILT-IN MEMORY Data for 200 hours of activities

Watch Functions

WATCH FUNCTIONS

Yes

TIME SYNCHRONIZATION WITH GPS Yes
AUTOMATIC DAYLIGHT SAVING TIME Yes
ALARM CLOCK Yes
TIMER Yes
STOPWATCH Yes

Sensors

GPS ENABLED Yes
GLONASS Yes
GALILEO Yes
GARMIN ELEVATE™ WRIST HEART RATE MONITOR Yes
ACCELEROMETER (CALCULATES DISTANCE FOR INDOOR WORKOUTS, WITHOUT NEED FOR A FOOT POD) Yes

Everyday Smart Features

CONNECTIVITY Yes
CONNECT IQ™ (DOWNLOADABLE WATCH FACES, DATA FIELDS, WIDGETS AND APPS) Yes (watch faces only)
SMART NOTIFICATIONS Yes
CALENDAR Yes
WEATHER Yes
MUSIC CONTROLS Yes
FIND MY PHONE Yes
FIND MY WATCH Yes
SMARTPHONE COMPATIBILITY

iPhone®, Android™

COMPATIBLE WITH GARMIN CONNECT™ MOBILE Yes

Safety and Tracking Features

LIVE TRACKING Yes
GROUP LIVE TRACKING Android™ only
LIVETRACK Yes
INCIDENT DETECTION DURING SELECT ACTIVITIES Yes (with smartphone)
ASSISTANCE Yes (with smartphone)

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
SLEEP MONITORING (MONITORS TOTAL SLEEP AND PERIODS OF MOVEMENT OR RESTFUL SLEEP) Yes
CALORIES BURNED Yes
DISTANCE TRAVELED Yes
INTENSITY MINUTES Yes
TRUEUP™ Yes
MOVE IQ™ Yes
FITNESS AGE Yes (in app)
BODY BATTERY™ ENERGY MONITOR Yes
ALL-DAY STRESS TRACKING Yes

Fitness/Gym Equipment

AVAILABLE GYM ACTIVITY PROFILES Cardio, Elliptical Training, Stair Stepping, Yoga

Training, Planning, and Analysis Features

GPS SPEED AND DISTANCE Yes
CUSTOMIZABLE SCREEN(S) Yes
CUSTOMIZABLE ACTIVITY PROFILES Yes
AUTO PAUSE® (AUTOMATICALLY PAUSES AND RESUMES TIMER BASED ON SPEED) Yes
INTERVAL TRAINING (SET UP EXERCISE AND REST INTERVALS) Yes
ADVANCED WORKOUTS Yes
DOWNLOADABLE TRAINING PLANS Yes
AUTO LAP® (AUTOMATICALLY STARTS A NEW LAP) Yes
MANUAL LAP Yes
VO2 MAX ESTIMATION Yes
AUDIO PROMPTS Yes
TOUCH AND/OR BUTTON LOCK Yes
ACTIVITY HISTORY ON WATCH Yes
PHYSIO TRUEUP Yes

Heart Rate Measurement Features

HEART RATE ZONES Yes
HR ALERTS Yes
HR CALORIES Yes
HR BROADCAST (BROADCASTS HR DATA OVER ANT+™ TO PAIRED DEVICES) Yes

Running Features

AVAILABLE RUN PROFILES

Running, Treadmill Running. Running track profile can be added via the app

GPS-BASED DISTANCE, TIME, AND PACE Yes
CADENCE (PROVIDES REAL-TIME NUMBER OF STEPS PER MINUTE) Yes
EXERCISES FOR RUNNING Yes
RUNNING PACE SENSOR Yes

Cycling Features

WEATHER ALERTS (TRIGGERS ALARM WHEN YOU REACH GOALS) Yes
AVAILABLE CYCLING PROFILES Cycling and Indoor Cycling profiles can be added via the app
CADENCE (PROVIDES REAL-TIME NUMBER OF STEPS PER MINUTE) Yes

In the Box:

  • Forerunner 45, Lava Red
  • Charging/Data Cable
  • Documentation