Forerunner 745, Magma Red, Garmin
  • Out of stock

Forerunner 745, Magma Red

Garmin

Notify me when available

Set New Personal Records

  • This GPS running watch is designed for runners and triathletes like you who need detailed training stats and smartwatch functions.
  • With preloaded activity profiles, you can swim, bike, run, do a triathlon, and more.
  • Obsessed with stats? Your watch shares that obsession. Get your maximum VO2, training load, and much more, all at your fingertips.
  • Receive suggested workouts tailored to you based on your previous training.
  • Music is key. Sync your favorite music to your watch.
  • Garmin Pay™ contactless payment feature lets you make purchases with a tap of the wrist1.
  • Enjoy a battery life that's enough for any race. In GPS mode with music, you get up to 6 hours of battery life.

Designed for All Environments

The Forerunner 745 is designed to keep up with you no matter where your sport takes you. It's built to withstand up to 200 sweaty runs, off-road bike rides, and long swims.

Durable and Wearable

The Forerunner 745 is our smallest and lightest smartwatch for running and triathlon with all the features, and it fits comfortably during training, races, and everyday life.

Garmin Forerunner 745

Make Your Performance a Priority.

Recommended Workouts

Enjoy guided training based on your fitness level and receive running and cycling recommendations based on your current training load and training status.

Training Effect

Learn how your exercise impacts your improvement in endurance, speed, and strength with aerobic and anaerobic exercise data.

Recovery Time

After each exercise, recovery time informs you when you'll be ready for your next intense workout. It even takes into account training intensity and factors like stress, daily activity, and sleep.

Built-in Sports Apps

You'll get built-in activity profiles for running, cycling, triathlon, pool and open water swimming, track running, and more. For races and multi-sport workouts, you can switch sports at the press of a button.

Max VO2

Train smarter with max VO2 that shows you what performance you can expect. This measurement also takes into account performance changes that can be caused by heat or altitude.

Race Predictor

This specialized tool considers your fitness level and training history to help you achieve your race goal and provides insights into the impact of training on your predicted race finish time.

Performance Condition

While running, the Forerunner 745 analyzes your pace, heart rate2, and heart rate variability to assess your current real-time performance.

Training Load

This statistic measures your exercise volume over the last 7 days and compares it to the optimal volume range for your fitness level and your recent workouts.

Training Status

This measurement evaluates your recent workouts and performance indicators, showing you if you're training productively, peaking, or overreaching.

Cycling Power

Connect with compatible Garmin sensors to improve your cycling efficiency with cycling dynamics, FTP, and advanced training modes.

Wrist-based Heart Rate Sensor

Easily get heart rate data2, including advanced heart rate alerts and other features, to maximize the potential of your workouts.

Running Dynamics

When used with a compatible additional device3, the Forerunner 745 measures key running metrics such as cadence, stride length, ground contact time, and balance, among other data.

Multiple GNSS

Access multiple global navigation satellite systems (GPS, GLONASS, and Galileo) for enhanced tracking in challenging environments beyond GPS alone.

Garmin Coach

These free, customizable training plans give you access to expert coaching tips and adapt to you and your goals. Workouts sync directly to your watch.

Create More Courses

Create courses in the Garmin Connect™ app4 and never run out of ideas for running. You can plan them on other platforms like Strava and Komoot and then automatically sync them to your Forerunner device.

TRENDLINE™ Route Determination Based on Popularity

Garmin Connect selects the most popular roads (and trails) using billions of miles of data uploaded by cyclists and runners, helping you find the best route.

Garmin Forerunner 745

Above-Average Smartwatch Experience

Pulse Ox Sensor

This wrist-based sensor5 monitors blood oxygen saturation levels to provide insights into your sleep quality and altitude adjustment.

BODY BATTERY™ Energy Monitor

Measure your body's energy level to find the best time for activity and rest.

Menstrual Tracking

Tracking menstrual cycle details can help you tailor your training to maximize improvement potential and plan upcoming races based on your cycle phase.

Music on Your Wrist

Sync playlists from selected music streaming services6 directly to your watch. The Forerunner 745 can store up to 500 songs.

GARMIN PAY™ Contactless Payment Feature

Skip the lines at stores and select public transport systems with Garmin Pay1 contactless payment solution at supported providers.

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 detection features7 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 store8.

Sync with GARMIN CONNECT App

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

Battery Life

You get up to 1 week of battery life in smartwatch mode and 6 hours in GPS mode with music. Use UltraTrac™ mode to extend battery life even further beyond your longest race.


1 Review information on currently supported countries, payment network, and card issuer.
2 Activity tracking accuracy.
3 When used with running dynamics pod or HRM-Run™ or HRM-Tri™ heart rate monitor (sold separately).
4 Requires app on your compatible smartphone paired with your Forerunner 745 device.
5 This device is not a medical device and is not intended for use in the diagnosis or monitoring of any medical condition; see Garmin.com/ataccuracy. Pulse Ox not available in all countries.
6 May require premium subscription with a third-party music provider.
7 When paired with a compatible smartphone. See Garmin.com/safety for additional requirements and limitations of safety and tracking features.
8 When paired with a computer or compatible smartphone; download via the Connect IQ Store.

Amazon Music and all related logos are trademarks of Amazon.com, Inc. or its affiliates. SPOTIFY and the Spotify logo are among the registered trademarks of Spotify AB.

Specifications:

General

LENS MATERIAL Corning® Gorilla® DX glass
FRAME MATERIAL Fiber-reinforced polymer
STRAP MATERIAL Silicone
CASE SIZE, W x D x H 43.8 x 43.8 x 13.3 mm
COLOR DISPLAY Yes
SCREEN SIZE, W x H 1.2" diameter
SCREEN RESOLUTION, W x H 240 x 240 pixels
SCREEN TYPE Sunlight-readable, transflective, MIP (memory-in-pixel)
WEIGHT 47 g
BATTERY LIFE Smartwatch mode: Up to 7 days
GPS mode with music: Up to 6 hours
GPS mode without music: Up to 16 hours
UltraTrac™ mode: Up to 21 hours
WATER RESISTANCE Swim, 5 ATM
BUILT-IN MEMORY Data for 200 hours of activity

Watch Functions

WATCH FUNCTIONS Yes
TIME SYNCHRONIZATION WITH GPS Yes
AUTOMATIC DAYLIGHT SAVING TIME Yes
ALARM CLOCK Yes
STOPWATCH Yes
SUNRISE/SUNSET TIMES Yes

Health Tracking

CONTINUOUS WRIST-BASED HEART RATE MONITORING Yes
RESTING HEART RATE Yes
ABNORMAL HEART RATE ALERTS Yes (high and low)
RESPIRATION RATE (24x7) Yes
PULSE OXIMETRY FOR BLOOD OXYGEN SATURATION MONITORING Yes (spot-check and optional all-day acclimation and in sleep)
BODY BATTERY™ ENERGY MONITOR Yes
STRESS TRACKING ALL DAY Yes
RELAXATION BREATH TIMER Yes
SLEEP TRACKING Yes
ADVANCED SLEEP MONITORING (SLEEP SCORE AND INSIGHTS) Yes
HYDRATION Yes (in Garmin Connect™ app and optional Connect IQ™ widget)
MENSTRUAL CYCLE TRACKING Yes (in Garmin Connect™ app and optional Connect IQ™ widget)

Sensors

ENABLED GPS Yes
GLONASS Yes
GALILEO Yes
GARMIN ELEVATE™ WRIST HEART RATE MONITOR Yes
BAROMETRIC ALTIMETER Yes
ELECTRONIC COMPASS Yes
GYROSCOPE Yes
ACCELEROMETER (CALCULATES DISTANCE FOR INDOOR WORKOUTS, WITHOUT NEED FOR A FOOT POD) Yes
THERMOMETER Yes
HEART RATE, OXYGEN, AND ACCLIMATION Yes

Everyday Smart Features

CONNECTIVITY Bluetooth®, ANT+®, Wi-Fi®
CONNECT IQ™ (DOWNLOADABLE WATCH FACES, DATA FIELDS, WIDGETS, AND APPS) Yes
SMART NOTIFICATIONS Yes
TEXT RESPONSE/REJECT PHONE CALL WITH TEXT (ANDROID™ ONLY) Yes
CALENDAR Yes
WEATHER Yes
MUSIC CONTROLS Yes
MUSIC STORAGE Up to 500 songs
FIND MY PHONE Yes
FIND MY WATCH Yes
VIRB® CAMERA REMOTE Yes
SMARTPHONE COMPATIBILITY iPhone® & Android™
COMPATIBLE WITH GARMIN CONNECT™ MOBILE APP Yes
GARMIN PAY™ Yes

Safety and Tracking Features

LIVETRACK Yes
GROUP LIVETRACK Yes
REAL-TIME EVENT SHARING Android™ only
INCIDENT DETECTION DURING SELECT ACTIVITIES Yes
ASSISTANCE Yes

Tactical Features

DUAL GRID COORDINATES Yes

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
FLOORS CLIMBED Yes
DISTANCE TRAVELED Yes
INTENSITY MINUTES Yes
TRUEUP™ Yes
MOVE IQ™ Yes

Fitness Equipment/Gym

AVAILABLE GYM ACTIVITY PROFILES Strength, Cardio Training, Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Pilates, Yoga
CARDIO WORKOUTS Yes
STRENGTH WORKOUTS Yes
YOGA WORKOUTS Yes
PILATES WORKOUTS Yes
AUTOMATIC REP COUNTING Yes

Training, Planning, and Analysis Features

HEART RATE ZONES Yes
HEART RATE ALERTS Yes
CALORIES BURNED BASED ON HEART RATE Yes
PERCENTAGE OF MAXIMUM HEART RATE Yes
PERCENTAGE OF HEART RATE RESERVE Yes
RECOVERY TIME Yes
AUTOMATIC MAXIMUM HEART RATE Yes
STRESS TRACKING TEST (MEASURES HEART RATE VARIABILITY WHILE STANDING STILL FOR 3 MINUTES, USED TO ESTIMATE STRESS LEVEL ON A SCALE FROM 1 TO 100, LOWER SCORES INDICATE LOWER STRESS LEVELS) Yes (with compatible accessories)
HR BROADCAST (SENDS HEART RATE DATA VIA ANT+™ TO PAIRED DEVICES) Yes
GPS SPEED AND DISTANCE Yes
CUSTOMIZABLE DATA PAGES Yes
CUSTOMIZABLE ACTIVITY PROFILES Yes
AUTO PAUSE® (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
CUSTOM ALERTS Yes
ALTITUDE ACCLIMATION Yes
VO2 MAX ESTIMATION Yes
TRAINING STATUS (LETS YOU SEE IF YOU'RE TRAINING EFFECTIVELY BY TRACKING YOUR TRAINING DATA, INCLUDING VO2 MAX AND ANAEROBIC THRESHOLD, WHICH ARE THEN COMPARED TO RECENT DATA) Yes
TRAINING LOAD (COMBINES HEART RATE DATA AND VO2 MAX TO ASSESS YOUR EXERCISE INTENSITY OVER A 28-DAY PERIOD TO ENSURE YOU'RE IN THE OPTIMAL RANGE TO ACHIEVE YOUR GOALS) Yes
TRAINING EFFECT (AEROBIC) Yes
TRAINING EFFECT (ANAEROBIC) Yes
PRIMARY BENEFIT (TRAINING EFFECT LABELS) Yes
CUSTOM ALERTS Yes
AUDIO PROMPTS Yes
FINISH TIME Yes
VIRTUAL PARTNER® (TRAIN AGAINST A DIGITAL PERSON) Yes
VIRTUAL RACER™ Yes
AUTO MULTISPORT (SWITCH SPORT MODE WITH 1 BUTTON PRESS) Yes
MULTISPORT MODES Yes
COURSE GUIDANCE Yes
STRAVA FEATURES (BEACON, LIVE SEGMENTS) Yes
BACK TO START (DIRECTS YOU TO THE STARTING POINT OF YOUR ACTIVITY) Yes
TRENDLINE™ ROUTE POPULARITY ROUTING Yes
TOUCH AND/OR BUTTON LOCK Yes
SHORTCUT KEYS Yes
AUTO SCROLL Yes
ACTIVITY HISTORY ON WATCH Yes
PHYSIO TRUEUP Yes

Running Features

AVAILABLE RUNNING PROFILES Running, treadmill running, indoor and outdoor track running, virtual running, trail running
GPS-BASED TIME, PACE, AND DISTANCE Yes
RUNNING DYNAMICS Yes (with compatible accessories)
VERTICAL OSCILLATION AND GROUND CONTACT TIME BALANCE (SHOWS THE AMOUNT OF "BOUNCE" WHILE RUNNING AND THE RATIO OF COST TO BENEFIT IN RELATION TO STRIDE LENGTH) Yes (with compatible accessories)
GROUND CONTACT TIME AND BALANCE (SHOWS HOW MUCH TIME YOU SPEND RUNNING IN CONTACT WITH THE GROUND VERSUS IN THE AIR AND ALLOWS YOU TO CHECK RUNNING SYMMETRY) Yes (with compatible accessories)
STRIDE LENGTH (REAL-TIME) Yes (with compatible accessories)
CADENCE (PROVIDES REAL-TIME STEP COUNT) Yes
PERFORMANCE CONDITION (AFTER RUNNING 6 TO 20 MINUTES, YOUR REAL-TIME FITNESS IS COMPARED TO YOUR AVERAGE FITNESS LEVEL) Yes
LACTATE THRESHOLD (ESTIMATES THE POINT AT WHICH YOUR MUSCLES RAPIDLY FATIGUE BY ANALYZING YOUR PACE AND HEART RATE) Yes (with compatible accessories)
PACEPRO™ PACE STRATEGIES Yes
RUNNING WORKOUTS Yes
RACE PREDICTOR Yes
SPEED AND CADENCE SENSOR Yes

Outdoor Recreation Features

AVAILABLE OUTDOOR RECREATION PROFILES Hiking, skiing, snowboarding, cross-country skiing, downhill skiing, paddleboarding, kayaking, rowing
POINT-TO-POINT NAVIGATION Yes
BREADCRUMB TRAIL IN REAL-TIME Yes
BACK TO START Yes
TRACBACK® Yes
ULTRATRAC MODE Yes
ALTITUDE PROFILE Yes
DISTANCE TO DESTINATION Yes
BAROMETRIC TREND INDICATOR Yes
CLIMBPRO™ ASCENT PLANNING Yes
TRAIL RUNNING AND AUTO CLIMB Yes
VERTICAL SPEED Yes
TOTAL ASCENT/DESCENT Yes
FUTURE ELEVATION PLOT Yes
GPS COORDINATES Yes
AREA CALCULATION Yes (via Connect IQ™ app)
HUNT/FISH CALENDAR Yes (via Connect IQ™ app)
SUN AND MOON INFORMATION Yes (via Connect IQ™ app)

Cycling Features

WEATHER/DISTANCE ALERT (TRIGGER AN ALERT WHEN YOU REACH YOUR GOAL) Yes
COURSES Yes
AVAILABLE CYCLING PROFILES Cycling, indoor cycling, mountain biking
CYCLING SEGMENT AND MAXIMUM POWER IN SEGMENT (WITH POWER SENSOR) Yes
RACE AGAINST ACTIVITY Yes
FTP (FUNCTIONAL THRESHOLD POWER) Yes (with compatible accessories)
COMPATIBLE WITH VECTOR™ DEVICES Yes
POWER METER COMPATIBILITY (DISPLAYS POWER DATA FROM COMPATIBLE THIRD-PARTY ANT+™ POWER METERS) Yes
ADVANCED VECTOR SUPPORT Yes
VARIA VISION™ DISPLAY COMPATIBILITY (HEAD-MOUNTED DISPLAY) Yes
VARIA™ REARVIEW RADAR COMPATIBILITY (RADAR POINTING BACKWARD) Yes
VARIA™ LIGHT COMPATIBILITY Yes
CADENCE (PROVIDES REAL-TIME STEP COUNT) Yes

Swimming Features

AVAILABLE SWIM PROFILES Pool Swimming, Open Water Swimming, Swim/Run
OPEN WATER SWIM METRICS (DISTANCE, PACE, STROKE COUNT/SPEED, CALORIES) Yes
POOL SWIM METRICS (LENGTHS, DISTANCE, PACE, STROKE COUNT/SPEED, CALORIES) Yes
STROKE TYPE RECOGNITION (E.G., FREESTYLE) Yes
DRILL LOGGING Yes
REST TIMER (MEASURES FROM 0) Yes
REST TIMER WITH REPEAT Yes
AUTOMATIC REST Yes
TIME AND DISTANCE ALERTS Yes
PACE ALERT (POOL SWIMMING ONLY) Yes
COUNTDOWN START Yes
SWIM WORKOUTS Yes
CRITICAL SWIM SPEED Yes
WRIST-BASED HEART RATE UNDERWATER Yes
HEART RATE (REAL-TIME DURING REST, INTERVAL STATS, AND AUTOMATIC POST-SWIM HEART RATE DATA DOWNLOAD) Yes (with HRM-Tri ™, HRM-Swim ™, and HRM-Pro ™)

Child Tracking Features

TOE-TO-TOE™ CHALLENGES Yes (optional Connect IQ application)

In the box:

  • Forerunner® 745, Magma Red
  • USB cable
  • Documentation