Garmin Forerunner 255S

RUN AT A HIGHER LEVEL

You’re making strides. Now, let’s take the next step. Get the training and recovery insights you’ll need to notch your best time yet.

Get an overview of your sleep, HRV status and daily workout with morning report.

Charge less, train more with up to 12 days of battery life in smartwatch mode and up to 26 hours in GPS mode.

Push your limits with a built-in triathlon feature and 30+ activity profiles.

Plan your strategy with daily suggested workouts, course details and more on the race widget.

Utilize a full suite of advanced metrics and training tools to reach your goals.

Pay for your post-workout coffee with Garmin Pay^™ contactless payments¹.

SKU: N/A. Categories: Electronics, Smart Watches. Tag: training.

LENS MATERIAL	Corning® Gorilla® Glass 3
BEZEL MATERIAL	fiber-reinforced polymer
QUICK RELEASE BANDS	yes (18 mm, Industry standard)
STRAP MATERIAL	silicone
PHYSICAL SIZE	41 x 41 x 12.4 (mm) Fits wrists with a circumference of 110-175 mm
COLOR DISPLAY
DISPLAY SIZE	1.1″ (27.5mm) Diameter
DISPLAY RESOLUTION	218 x 218 pixels
DISPLAY TYPE	sunlight-visible, transflective memory-in-pixel (MIP)

WEIGHT	39 g
WATER RATING	5 ATM
BATTERY LIFE	Smartwatch mode: Up to 12 days GPS-only GNSS mode: Up to 26 hours All-Systems GNSS mode: Up to 20 hours All-Systems GNSS mode plus Multi-Band: Up to 13 hours

COURSE- AND WEATHER-SPECIFIC RACE PREDICTOR
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
GRADE-ADJUSTED PACE	yes
PERFORMANCE CONDITION	yes
LACTATE THRESHOLD	yes (with compatible accessory)
PACEPRO™ PACING STRATEGIES	yes
RUN WORKOUTS	yes
TRAIL RUN AUTO CLIMB	yes
RACE PREDICTOR	yes