
- Out of stock
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.
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.
Change up your exercise routine with activity profiles for cycling, treadmill running, indoor track running, elliptical, cardio, yoga, and other activities.
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.
Track your running route and get precise statistics, 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. Relaxation reminders will even prompt you to do a short breathing activity.
Measure your body's energy levels to find the best times for activity and rest.
As you move, the Forerunner 45 tracks your steps, floors climbed, intense minutes, and more.
Receive emails, messages, and alerts directly on your watch when paired with a compatible smartphone.
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.
Download custom watch faces, add data fields, and get apps and widgets from the Connect IQ Store.
Easily control the music playing on your phone without stopping to change songs.
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.
General |
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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 Large (L): 42 x 42 x 11.4 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 |
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 |
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WATCH FUNCTIONS |
Yes |
TIME SYNCHRONIZATION WITH GPS | Yes |
AUTOMATIC DAYLIGHT SAVING TIME | Yes |
ALARM CLOCK | Yes |
TIMER | Yes |
STOPWATCH | Yes |
Sensors |
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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 |
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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 |
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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 |
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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 |
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AVAILABLE GYM ACTIVITY PROFILES | Cardio, Elliptical Training, Stair Stepping, Yoga |
Training, Planning, and Analysis Features |
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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 |
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HEART RATE ZONES | Yes |
HR ALERTS | Yes |
HR CALORIES | Yes |
HR BROADCAST (BROADCASTS HR DATA OVER ANT+™ TO PAIRED DEVICES) | Yes |
Running Features |
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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 |
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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 |