Zoom Garmin Forerunner 255

Garmin Forerunner 255

$349.99
Color

General

LENS MATERIAL

Corning® Gorilla® Glass 3

BEZEL MATERIAL

fiber-reinforced polymer

QUICK RELEASE BANDS yes (22 mm, Industry standard)
STRAP MATERIAL

silicone

PHYSICAL SIZE

45.6 x 45.6 x 12.9 (mm)

Fits wrists with a circumference of 130-205 mm

COLOR DISPLAY
DISPLAY SIZE 1.3" (33 mm) diameter
DISPLAY RESOLUTION 260 x 260 pixels
DISPLAY TYPE sunlight-visible, transflective memory-in-pixel (MIP)
WEIGHT

49 g

BATTERY LIFE

Smartwatch mode: Up to 14 days
GPS-Only GNSS mode: Up to 30 hours
All-Systems GNSS mode: Up to 25 hours
All-Systems GNSS mode plus Multi-Band: Up to 16 hours
See Details

WATER RATING 5 ATM
MEMORY/HISTORY 4 GB

Clock Features

TIME/DATE
GPS TIME SYNC
AUTOMATIC DAYLIGHT SAVING TIME
ALARM CLOCK
TIMER
STOPWATCH
SUNRISE/SUNSET TIMES

Health Monitoring

WRIST-BASED HEART RATE (CONSTANT, EVERY SECOND)
DAILY RESTING HEART RATE
ABNORMAL HEART RATE ALERTS yes (high and low)
RESPIRATION RATE (24X7)
PULSE OX BLOOD OXYGEN SATURATION yes (spot-check, and optional all-day acclimation and in sleep)
FITNESS AGE
BODY BATTERY™ ENERGY MONITOR
ALL-DAY STRESS
RELAXATION BREATHING TIMER
SLEEP yes (advanced)
SLEEP SCORE AND INSIGHTS
HYDRATION yes (in Garmin Connect™ and optional Connect IQ™ widget)
WOMEN'S HEALTH yes (in Garmin Connect™ and optional Connect IQ™ widget)
HEALTH SNAPSHOT

Sensors

GPS
GLONASS
GALILEO
MULTI-FREQUENCY POSITIONING
GARMIN ELEVATE™ WRIST HEART RATE MONITOR
BAROMETRIC ALTIMETER
COMPASS
GYROSCOPE
ACCELEROMETER
THERMOMETER
PULSE OX BLOOD OXYGEN SATURATION MONITOR

Daily Smart Features

CONNECTIVITY Bluetooth®, ANT+®
CONNECT IQ™ (DOWNLOADABLE WATCH FACES, DATA FIELDS, WIDGETS AND APPS)
ON-DEVICE CONNECT IQ™ STORE
SMART NOTIFICATIONS
TEXT RESPONSE/REJECT PHONE CALL WITH TEXT (ANDROID™ ONLY)
CALENDAR
WEATHER
REALTIME SETTINGS SYNC WITH GARMIN CONNECT™ MOBILE
BATTERY SAVER (CUSTOMIZABLE LOW POWER WATCH)
CONTROLS SMARTPHONE MUSIC
FIND MY PHONE
FIND MY WATCH
VIRB® REMOTE
SMARTPHONE COMPATIBILITY iPhone® and Android™
PAIRS WITH GARMIN CONNECT™ MOBILE
GARMIN PAY™

Safety and Tracking Features

LIVETRACK
LIVE EVENT SHARING Android™ Only
INCIDENT DETECTION DURING SELECT ACTIVITIES
ASSISTANCE

Activity Tracking Features

STEP COUNTER
MOVE BAR (DISPLAYS ON DEVICE AFTER A PERIOD OF INACTIVITY; WALK FOR A COUPLE OF MINUTES TO RESET IT)
AUTO GOAL (LEARNS YOUR ACTIVITY LEVEL AND ASSIGNS A DAILY STEP GOAL)
CALORIES BURNED
FLOORS CLIMBED
DISTANCE TRAVELED
INTENSITY MINUTES
TRUEUP™
MOVE IQ™
GARMIN CONNECT™ CHALLENGES APP yes (optional Connect IQ app)

Gym & Fitness Equipment

AVAILABLE GYM ACTIVITY PROFILES Strength, HIIT, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Pilates, Yoga
CARDIO WORKOUTS
STRENGTH WORKOUTS
HIIT WORKOUTS
YOGA WORKOUTS
PILATES WORKOUTS
ON-SCREEN WORKOUT ANIMATIONS
ON-SCREEN WORKOUT MUSCLE MAPS
AUTOMATIC REP COUNTING

Training, Planning and Analysis Features

HR ZONES
HR ALERTS
HR CALORIES
% HR MAX
% HRR
RECOVERY TIME
AUTO MAX HR
MORNING REPORT
RACE GLANCE/WIDGET
HRV STATUS
HR BROADCAST (BROADCASTS HR DATA OVER ANT+™ TO PAIRED DEVICES)
RESPIRATION RATE (DURING EXERCISE) yes (with compatible accessory)
GPS SPEED AND DISTANCE
CUSTOMIZABLE DATA PAGES
CUSTOMIZABLE ACTIVITY PROFILES
AUTO PAUSE®
INTERVAL TRAINING
IMPROVED INTERVAL (INCLUDES OPEN REPEATS, INTERVALS DATA PAGE, REST SCREEN AND AUTO DETECTION)
ADVANCED WORKOUTS
DOWNLOADABLE TRAINING PLANS
AUTO LAP®
MANUAL LAP
REST TIMER
CONFIGURABLE LAP ALERTS
VO2 MAX (RUN)
VO2 MAX (TRAIL RUN)
TRAINING STATUS improved
TRAINING LOAD
TRAINING LOAD FOCUS
TRAINING EFFECT
TRAINING EFFECT (ANAEROBIC)
PRIMARY BENEFIT (TRAINING EFFECT LABELS)
IMPROVED RECOVERY TIME
DAILY SUGGESTED WORKOUTS yes (7 days)
CUSTOM ALERTS
AUDIO PROMPTS
FINISH TIME
VIRTUAL PARTNER
RACE AN ACTIVITY
AUTO MULTISPORT ACTIVITIES
MANUAL MULTISPORT ACTIVITIES
COURSE GUIDANCE
TOUCH AND/OR BUTTON LOCK
AUTO SCROLL
ACTIVITY HISTORY ON WATCH
PHYSIO TRUEUP

Running Features

AVAILABLE RUN PROFILES

Running, Outdoor Track Running, Treadmill Running, Indoor Track Running, Trail Running, Virtual Running, Ultra Running

GPS-BASED DISTANCE, TIME AND PACE
RUNNING DYNAMICS yes (with compatible accessory)
VERTICAL OSCILLATION AND RATIO yes (with compatible accessory)
GROUND CONTACT TIME AND BALANCE yes (with compatible accessory)
STRIDE LENGTH (REAL TIME) yes (with compatible accessory)
CADENCE (PROVIDES REAL-TIME NUMBER OF STEPS PER MINUTE)
RUNNING POWER yes (with compatible accessory)
PERFORMANCE CONDITION
LACTATE THRESHOLD yes (with compatible accessory)
PACEPRO™ PACING STRATEGIES
RUN WORKOUTS
RACE PREDICTOR
COURSE- AND WEATHER-SPECIFIC RACE PREDICTOR
FOOT POD CAPABLE

Outdoor Recreation

AVAILABLE OUTDOOR RECREATION PROFILES

Hiking, Skiing, Snowboarding, XC Classic Skiing, Stand Up Paddleboarding, Rowing

POINT-TO-POINT NAVIGATION
BREAD CRUMB TRAIL IN REAL TIME
BACK TO START
TRACBACK®
ULTRATRAC MODE
UP AHEAD
ELEVATION PROFILE
DISTANCE TO DESTINATION
BAROMETRIC TREND INDICATOR WITH STORM ALERT
TRAIL RUN AUTO CLIMB
VERTICAL SPEED
TOTAL ASCENT/DESCENT
FUTURE ELEVATION PLOT
PROJECTED WAYPOINT
SUN AND MOON INFORMATION

Cycling Features

AVAILABLE CYCLING PROFILES

Biking, Indoor Biking, Mountain Biking, eBiking, eMountain Biking

ALERTS (TRIGGERS ALARM WHEN YOU REACH GOALS INCLUDING TIME, DISTANCE, HEART RATE OR CALORIES)
COURSES
BIKE LAP AND LAP MAXIMUM POWER (WITH POWER SENSOR)
RACE AN ACTIVITY
FTP (FUNCTIONAL THRESHOLD POWER) yes (with compatible accessory)
COMPATIBLE WITH VECTOR™ AND RALLY™ (POWER METERS)
POWER METER COMPATIBLE
COMPATIBLE WITH VARIA VISION™ (HEAD-MOUNTED DISPLAY)
COMPATIBLE WITH VARIA™ RADAR (REAR-FACING RADAR)
COMPATIBLE WITH VARIA™ LIGHTS
SPEED AND CADENCE SENSOR SUPPORT (W/SENSOR)

Swimming Features

AVAILABLE SWIM PROFILES

Pool Swimming, Open Water Swimming

OPEN-WATER SWIM METRICS (DISTANCE, PACE, STROKE COUNT/RATE, STROKE DISTANCE, SWIM EFFICIENCY (SWOLF), CALORIES)
POOL SWIM METRICS (LENGTHS, DISTANCE, PACE, STROKE COUNT, SWIM EFFICIENCY (SWOLF), CALORIES)
STROKE TYPE DETECTION (FREESTYLE, BACKSTROKE, BREASTSTROKE, BUTTERFLY) (POOL SWIM ONLY)
DRILL LOGGING (POOL SWIM ONLY)
BASIC REST TIMER (UP FROM 0) (POOL SWIM ONLY)
"REPEAT ON" REST TIMER (POOL SWIM ONLY)
AUTO REST (POOL SWIM ONLY)
TIME AND DISTANCE ALERTS
PACING ALERTS (POOL SWIM ONLY)
COUNTDOWN START (POOL SWIM ONLY)
POOL SWIM WORKOUTS
CRITICAL SWIM SPEED
UNDERWATER WRIST-BASED HEART RATE
HEART RATE FROM EXTERNAL HRM (REAL-TIME DURING RESTS, INTERVAL AND SESSION STATS DURING RESTS, AND AUTOMATIC HEART RATE DOWNLOAD POST-SWIM) yes (with HRM-Swim™ or HRM-Pro™)

Kid Activity Tracking Features

TOE-TO-TOE™ CHALLENGES APP yes (optional Connect IQ Toe-to-Toe™ Challenges app)

Connectivity

SMART TRAINER CONTROL

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