Sale!
Garmin Logo

Garmin Forerunner® 45

$199.99 $164.99

SKU: N/A

Clear

Run Your Heart Out

This easy-to-use running watch is perfect for daily runs, training sessions and even that upcoming 10K you got talked into. Built-in GPS tracks where you run and gives you accurate stats, including distance, pace and intervals. And its intuitive button interface makes it easy for sweaty hands to mark a lap or pause the timer. Forerunner 45 also monitors heart rate at the wrist, day and night¹.

Run Your Heart Out

Gear up with Garmin Coach

Whether you’re a seasoned runner or just getting off the couch, everyone can use a little bit of guidance. That’s why Forerunner 45 is compatible with Garmin Coach adaptive training plans. These plans feature guidance from expert coaches and free training plans that adapt to you and your goals. It’s a foolproof way to get to the finish line. As part of your training plan, it can even help you predict your race time. And the workouts sync right to your watch.

Gear up with Garmin Coach

Stay Connected on the Run

Safety and tracking features make it easy to share your location with chosen contacts in case you need assistance — manually, or automatically with built-in incident detection³. And a variety of connected features keeps you in touch with the rest of the world during and in between runs. Get smart notifications delivered to your wrist for incoming text messages and phone calls. And when paired with your compatible smartphone, Forerunner 45 will automatically upload your run data to the Garmin Connect online fitness community. It even has handy controls for the music playing on your phone, so you can skip songs without missing a beat.

Stay Connected and Secure

There’s More to Do

With a dozen activity profiles available, you’ll always have a way to capture your sweat equity, even when you don’t feel like running. Forerunner 45 can record your efforts during a cycling workout, on the treadmill, indoor track and elliptical — and while doing cardio, yoga and more.

There’s More to Do

On the Way to Wellness

The Forerunner 45 GPS running watch offers extensive activity and wellness tracking features. Wear it 24/7 to monitor daily steps, distance, calories burned and even sleep¹. This smartwatch also features all-day stress monitoring for wellness tracking during the day. If your stress level starts to climb, use the relaxation breathing timer for a few minutes of guided breathing, which can help calm your mind and body. And to help you optimize your body’s energy, Body Battery™ energy monitoring uses collected data to gauge your energy reserves at any moment, so you can plan your day to optimize times for activity and rest.

On the Way to Wellness

Share and Compete

Syncing your activities to Garmin Connect is for more than just storing your data. Garmin Connect is a thriving online community where people on the go can connect and compete by joining challenges, encourage each other’s successes and even share their triumphs via social media. Garmin Connect is free and available on the web or on your smartphone.

Make a Statement

Express your personality by customizing Forerunner 45. It’s compatible with free watch faces from our Connect IQ™ Store. Choose from thousands of watch faces available to download, or create your custom watch face from your own photos.

Forerunner45

¹Activity tracking accuracy
²When paired with a compatible smartphone.
³When paired with a compatible smartphone. See safety and tracking features requirements and limitations

Physical & Performance

Display size 1.04″ (26.3 mm) diameter
Display resolution 208 x 208 pixels
GPS Yes
Weight Small: 32 g
Large: 36 g
Display type sunlight-visible, transflective memory-in-pixel (MIP)
Battery life Smartwatch Mode: Up to 7 days
GPS mode: Up to 13 hours

Maps & Navigation

Memory/History 200 hours of activity data

Features

Auto lap splits No
3-axis compass with HSI (horizontal situation indicator) No
Touch and/or button lock Yes
GPS coordinates No
Live Event Sharing No
Lap Time Repeatability Score (LTR) No
Audio prompts Yes
Sleep monitoring (monitors total sleep and periods of movement or restful sleep) Yes
Auto CourseView updates No
Downloadable training plans Yes
Measures shot distance (calculates exact yardage for shots from anywhere on course) No
Closed Circuit Rebreather (CCR) No
Heart rate (real-time during rests, interval and session stats during rests, and automatic heart rate download post-swim) No
Compatible with Varia™ radar (rear-facing radar) No
SwingTempo No
Task timers (2, 5, 10, 15, 20 and 30 minutes) No
Plays and controls watch music No
APNEA mode No
Pool swim workouts No
Multi-gas mode No
Race an Activity No
Hot keys No
Single-gas mode No
Activity history on watch Yes
Ground contact time and balance (shows how much time, in the running motion, your foot is on the ground rather than in flight and lets you check your running symmetry) No
Auto max HR No
Training load focus No
Compatible with Varia Vision™ (head-mounted display) No
HR alerts Yes
Foot pod capable Yes
Compatible with Vector™ (power meter) No
Training Effect (anaerobic) No
Phone-free text messaging No
Vertical speed No
Lactate threshold (through analysis of your pace and heart rate, estimates the point where your muscles start to rapidly fatigue) No
Customizable data pages Yes
Race an activity No
Finish time No
Elevation profile No
Configurable lap alerts No
Automatic sync (automatically transfers data to Garmin Connect) No
Incident Detection during select activities yes (Smartphone Required)
PlaysLike distance No
Virtual Partner No
V02 max Yes
Reminder alerts No
Physio TrueUp Yes
Customizable alerts No
NEXRAD on moving map No
Back to start No
Vertical oscillation and ratio (the degree of ‘bounce’ in your running motion and the cost-benefit ratio with stride length) No
Training Load (your total training load for the last 7 days calculated from estimated EPOC) No
Altimeter with adjustable baro setting No
Physical size Small: 39.5 x 39.5 x 11.4 mm
Fits wrists with a circumerence of 124-185 mmLarge: 42 x 42 x 11.4 mm
Fits wrists with a circumference of 129-197 mm
Move bar (displays on device after a period of inactivity; walk for a couple of minutes to reset it) Yes
Compatible with BaseCamp™ No
Chronograph No
Available gym activity profiles Cardio and Elliptical Training, Stair Stepping, Yoga may be added through app
Live Delta Time No
Automatic altitude adjustment No
Ambient light sensor No
Touch-targeting (touch target on display to see the distance to any point) No
Hazards and course targets No
Stroke type detection (freestyle, backstroke, breaststroke, butterfly) No
TruSwing™ compatible No
UltraTrac mode No
In-flight Pulse Ox No
Yardage to F/M/B (distance to front, middle and back of green) No
Calendar Yes
Barometric altimeter No
Unlock new step icons No
Preloaded race tracks No
Weather Yes
Auto Lap® Yes
Sunrise/sunset times No
Pulse Ox No
Floors climbed No
% HR max No
% HRR No
TracBack® No
Storm alert No
Water rating 5 ATM
Advanced Vector support No
Handicap scoring No
Audible alerts No
Color display Yes
Multiple bike profiles No
Primary benefit (Training Effect labels) No
HR zones Yes
Stat tracking (strokes, putts per round, greens and fairways hit) No
Connectivity yes
Find My Phone Yes
Stride length (real time) No
Custom targets No
Downloadable cartography support No
Swim efficiency (SWOLF) No
Available run profiles Running, Treadmill Running. Indoor Track Running may be added through app
Bike lap and lap maximum power (with power sensor) No
Stopwatch Yes
Run workouts Yes
Open-water swim metrics (distance, pace, stroke count/rate, stroke distance, calories) No
Training Effect (aerobic) No
Worldwide airport database(s) No
Waypoint information page No
GPS speed and distance Yes
Round-trip course creator (running/cycling) No
Area calculation No
Find My Watch Yes
Automatic club tracking compatible (requires accessory) No
Connext avionics connectivity No
Advanced workouts Yes
Trendline™ Popularity Routing No
Strava features (Beacon, live segments) No
VIRB® Camera Remote No
Smartphone compatibility iPhone®, Android™
Dual grid coordinates No
TrueUp™ Yes
Timer Yes
Multiple time zones with Zulu/UTC No
Trimix support No
Courses No
Respiration rate (during exercise) No
Compatible with Varia™ lights No
Thermometer No
Alarm clock Yes
Wirelessly receive flight plans from Garmin Pilot™ No
Group LiveTrack No
Intensity minutes Yes
Interval training Yes
Gyroscope No
Time/distance alerts (triggers alarm when you reach goal) Yes
Compatible with Garmin Connect™ Mobile Yes
Touchscreen No
Virtual starting line No
Preloaded topographical maps No
Speed and cadence sensor support (with sensor) yes
Sun and moon information No
ClimbPro™ Ascent Planner No
Night vision mode No
Tempo Training No
Move IQ™ Yes
Automatically saves dive entry and exit locations No
Garmin Elevate™ wrist heart rate monitor Yes
HRV stress test (measures your heart rate variability while standing still, for 3 minutes, to provide you with an estimated stress level; the scale of this is 1 to 100; low scores indicate lower stress levels) No
GLONASS Yes
Smart notifications Yes
Sight ‘N Go No
Garmin Pay™ No
Automatic daylight saving time Yes
Depth sensor No
Projected waypoint No
Bread crumb trail in real time No
Time/date yes
Sync dive log to Garmin Connect™ and Garmin Connect™ Mobile No
Rewards (coins) No
Calories burned Yes
Customizable activity profiles Yes
Auto start/end dive No
Toe-to-Toe™ Challenges No
Segments (Live, Garmin) No
Connect IQ™ (downloadable watch faces, data fields, widgets and apps) yes (watch faces only)
HR Broadcast (broadcasts HR data over ANT+™ to paired devices) Yes
Cadence (provides real-time number of steps per minute) Yes
Controls smartphone music Yes
Power meter compatible (displays power data from compatible third-party ANT+™-enabled power meters) No
Total ascent/descent No
Auto multisport activities No
Last race summary No
Cycle Map (routable cycling-specific street map) No
PinPointer No
Step counter Yes
Quick Release Bands No
APNEA hunt mode No
60-minute activity goal No
Trail run auto climb No
Manual multisport activities No
Chores No
Barometric trend indicator with Storm Alert No
Automatic rep counting No
LiveTrack Yes
Moving Map with aviation airports, navaids, roads, bodies of water and more No
HR calories Yes
Point-to-point navigation No
Anchor Alarm No
Gauge mode No
Yardage to layups/doglegs No
XERO™ Locations No
Auto Pause® Yes
All-day Stress Tracking Yes
Running dynamics No
Full vector map No
Tack assist mode No
Body Battery™ Energy Monitor Yes
Worldwide NAVAID and Intersection database(s) No
Available cycling profiles Biking. Indoor Biking may be added through app
Future elevation plot No
Accelerometer Yes
Recovery time No
Orienteering No
Text response/reject phone call with text (Android™ only) No
Around Me mode No
Hunt/fish calendar No
Drill logging No
Preloaded with 41,000 courses worldwide No
Course guidance No
Track timer No
Strap material silicone
GPS Time Sync Yes
Countdown timer No
Race App No
Auto scroll No
Analog hands No
Round timer/odometer No
Compass No
Heat and altitude acclimation No
Lens Material chemically strengthened glass
Cardio workouts No
Green View with manual pin position No
Performance condition (after running 6–20 minutes, compares your real-time condition to your average fitness level) No
Strength workouts No
Galileo Yes
Distance to destination No
Training Status (lets you see if you’re training effectively by tracking your training history and fitness level trend.) No
Manual lap Yes
Distance traveled Yes
Pool swim metrics (lengths, distance, pace, stroke count/rate, calories) No
GPS-based distance, time and pace Yes
Auto goal (learns your activity level and assigns a daily step goal) Yes
Garmin AutoShot™ No
Fitness Age yes (in app)
Nitrox support No
Unit-to-unit route/location sharing No
FTP (Functional Threshold Power) No
Dive ascent/descent rate indicator No
Built-in barometer and tide tables No
Assistance yes (Smartphone Required)
Race predictor No