Overview
GPS running watch with morning report of your sleep, HRV status and daily workout.
Features
- Lightweight GPS running smartwatch with wrist-based heart rate
- 46 mm case size, suitable for wrists with a circumference of 130-205 mm
- Over 30+ activity profiles for indoor and outdoor sports including triathlon and open-water swimming
- Morning report shows overview of sleep, recovery and training outlook, HRV status and weather
- Includes Garmin Coach: adaptive training plans to help you reach your goals
- Running dynamics (accessories required) to measure running metrics such as cadence, stride, balance and more
- Metrics tracked: performance condition, training status based on recent exercise history, training effect and load
- Measures V02 max to indicate performance
- Training Status metric evaluates your exercise history and performance indicators to let you know if you are on track
- Training Effect metric shows hou your workouts infulence the development of endurance, speed and power
- Acute Load compares the intensity of recent workouts to optimal range to help improve your fitness
- Body battery energy monitoring, stress, hydration and respiration tracking, advanced sleep monitoring
- Sensors: wrist-based heart rate, altimeter, compass, accelerometer, thermometer, Pulse OX
- Multi-band GNSS support - GPS, GLONASS and Galileo - with multi-frequency positioning
- Contactless payments
- Smart notifications: texts, emails, alerts and social media
- Customisable with downloadable apps, widgets, watch faces using Connect IQ store
- Syncs with Garmin Connect, the online community for uploading, sharing and competing
- Safety and tracking features to let others know where you are
- Battery life: up to 14 days in smartwatch mode, 30 hours in GPS mode
Product Screen Shots
Package Includes
- Forerunner 255
- Charging data cradle
- Documentation
Technical Specification
Garmin Forerunner 255 Tidal Blue | 46 mm | Product Code: 010-02641-11 |
General | |
Lens material | Corning Gorilla Glass 3 |
Bezel material | Fibre-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 |
Colour display | yes |
Display Size | 1.3 inch (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 |
Water rating | 5 ATM |
Memory/history | 4 GB |
Clock features | |
Time/date | yes |
GPS time sync | yes |
Automatic daylight saving time | yes |
Alarm clock | yes |
Timer | yes |
Stopwatch | yes |
Sunrise/sunset times | yes |
Health monitoring | |
Wrist-based heart rate (constant, every second) | yes |
Daily Resting Heart Rate | yes |
Abnormal Heart Rate Alerts | Yes (high and low) |
Respiration rate (24x7) | yes |
Pulse Ox Blood Oxygen Saturation | Yes (spot-check, and optional all-day acclimation and in sleep) |
Fitness age | yes |
Body Battery Energy Monitor | yes |
All-day stress tracking | yes |
Relaxation reminders | yes |
Relaxation breathing timer | yes |
Sleep | Yes (Advanced) |
Sleep score and insights | yes |
Hydration | Yes (in Garmin Connect and optional Connect IQ widget) |
Women's Health | Yes (in Garmin Connect and optional Connect IQ widget) |
Health snapshot | yes |
Sensors | |
GPS | yes |
GLONASS | yes |
Galileo | yes |
Multi-frequency Positioning | yes |
Garmin Elevate wrist heart rate monitor | yes |
Barometric altimeter | yes |
Compass | yes |
Gyroscope | yes |
Accelerometer | yes |
Thermometer | yes |
Pulse Ox Blood Oxygen Saturation Monitor | yes |
Daily smart features | |
Connectivity | Bluetooth, ANT+ |
Connect IQ (downloadable watch faces, data fields, widgets and apps) | yes |
On-device Connect IQ Store | yes |
Smart Notifications | yes |
Text response/reject phone call with text (Android only) | yes |
Calendar | yes |
Weather | yes |
Realtime settings sync with Garmin Connect mobile | yes |
Battery Saver - customisable low power watch | yes |
Controls smartphone music | yes |
Find my phone | yes |
Find my watch | yes |
VIRB camera remote | yes |
Smartphone compatibility | iPhone and Android |
Compatible with Garmin Connect Mobile | yes |
Garmin Pay | yes |
Safety and tracking features | |
LiveTrack | yes |
Live Event Sharing | Android Only |
Incident Detection during select activities | yes |
Assistance | 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 travelled | yes |
Intensity minutes | yes |
TrueUp | yes |
Move IQ | yes |
Garmin Connect Challenges app | Yes (optional Connect IQ app) |
Fitness equipment/gym | |
Automatic rep counting | yes |
Available gym activity profiles | Strength, HIIT, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Pilates, Yoga |
Strength workouts | yes |
HIIT workouts | yes |
Yoga workouts | yes |
Pilates workouts | yes |
On-screen workout animations | yes |
On-screen workout muscle maps | yes |
Training, planning and analysis features | |
HR zones | yes |
HR alerts | yes |
HR calories | yes |
% HR max | yes |
% HRR | yes |
Recovery time | yes |
Auto max HR | yes |
Morning report | yes |
Race glance/widget | yes |
HRV status | yes |
HR broadcast (broadcasts HR data over ANT+ to paired devices) | yes |
Respiration rate (during exercise) | Yes (with compatible accessory) |
GPS speed and distance | yes |
Customisable screen(s) | yes |
Customisable activity profiles | yes |
Auto Pause | yes |
Interval training | yes |
Improved interval (includes open repeats, intervals data page, rest screen and auto detection) | yes |
Advanced workouts | yes |
Downloadable training plans | yes |
Auto Lap | yes |
Manual lap | yes |
Rest timer | yes |
Configurable lap alerts | yes |
VO2 Max (Run) | yes |
VO2 Max (Trail Run) | yes |
Training status (lets you see if you're training effectively by tracking your training history and fitness level trend) | Improved |
Training load (your total training load for the last 7 days calculated from estimated EPOC) | yes |
Training load focus | yes |
Training effect (aerobic) | yes |
Training effect (anaerobic) | yes |
Primary benefit (Training Effect labels) | yes |
Improved recovery time | yes |
Daily suggested workouts | Yes (7 days) |
Customisable alerts | yes |
Audio prompts | yes |
Finish time | yes |
Virtual partner | yes |
Race an activity | yes |
Auto multisport activities | yes |
Multi-sport | yes |
Course guidance | yes |
Touch and/or button lock | yes |
Auto scroll | yes |
Activity history on watch | yes |
>Physio TrueUp | yes |
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 | yes |
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) | yes |
Running power | Yes (with compatible accessory) |
Performance condition | yes |
Lactate threshold | Yes (with compatible accessory) |
PacePro Pacing Strategies | yes |
Run workouts | yes |
Trail run auto climb | yes |
Race predictor | yes |
Course- and weather-specific race predictor | yes |
Foot pod capable | yes |
Outdoor recreation | |
Available outdoor recreation profiles | Hiking, Skiing, Snowboarding, XC Classic Skiing, Stand Up Paddleboarding, Rowing |
Point-to-point navigation | yes |
Bread crumbtrail in real time | yes |
Back to start | yes |
TracBack | yes |
UltraTrac mode | yes |
Up Ahead | yes |
Elevation profile | yes |
Distance to destination | yes |
Barometric trend indicator with storm alert | yes |
Vertical speed | yes |
Total ascent/descent | yes |
Future elevation plot | yes |
Projected waypoint | yes |
Sun and moon information | yes |
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) | yes |
Courses | yes |
Bike lap and lap maximum power (with power sensor) | yes |
Race an activity | yes |
FTP (Functional threshold power) | Yes (with compatible accessory) |
Compatible with Vector and Rally (power meters) | yes |
Power meter compatible | yes |
Compatible with Varia Vision (head-mounted display) | yes |
Compatible with Varia radar (rear-facing radar) | yes |
Compatible with Varia lights | yes |
Speed and cadence sensor support (w/sensor) | yes |
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) | yes |
Pool swim metrics (lengths, distance, pace, stroke count, swim efficiency (SWOLF), calories) | yes |
Stroke type detection (freestyle, backstroke, breaststroke, butterfly) (pool swim only) | yes |
Drill logging (pool swim only) | yes |
Basic rest timer (up from 0) (pool swim only) | yes |
"Repeat on" rest timer (pool swim only) | yes |
Auto rest (pool swim only) | yes |
Time and distance alerts | yes |
Pacing alerts (pool swim only) | yes |
Countdown start | yes |
Pool swim workouts | yes |
Critical swim speed | yes |
Underwater wrist-based heart rate | yes |
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 | yes |
Customer Reviews
Customer Reviews for the Garmin Forerunner 255 Tidal Blue | 46 mm.