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Garmin Forerunner® 45
$199.99 $164.99
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.
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.
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.
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.
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.
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.
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 |
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