Garmin Forerunner 265S - GPS Running and Triathlon Smartwatch

Garmin Forerunner 265S GPS Running Smartwatch

The Garmin Forerunner 265S is a compact GPS running and triathlon smartwatch designed for athletes who want advanced training guidance, accurate multi-band satellite tracking, onboard music, and everyday health monitoring in a lightweight design. Its bright 1.1-inch AMOLED touchscreen displays pace, distance, heart rate, workouts, notifications, and recovery insights clearly, while five physical buttons provide dependable control during running, cycling, swimming, and multisport sessions.

Garmin Coach training plans, daily suggested workouts, Training Readiness, Training Status, recovery time, VO2 max, wrist-based running dynamics, and race guidance help you plan and review every session. The smaller 41.7mm case and 39g weight make the Forerunner 265S comfortable for smaller wrists and long training days.

Compact AMOLED Display

The 1.1-inch AMOLED touchscreen delivers vivid colors and sharp detail with a 360 × 360 resolution. An optional always-on mode keeps key information visible, while Corning Gorilla Glass 3 helps protect the display during everyday wear and training.

Multi-Band GPS with SatIQ Technology

Multi-band GNSS and SatIQ technology help provide accurate route, pace, and distance tracking while optimizing battery use. Support for GPS, GLONASS, and Galileo makes the watch suitable for running, cycling, hiking, open-water swimming, and training in challenging environments.

Garmin Coach and Suggested Workouts

Garmin Coach provides adaptive training plans that respond to your fitness level, recent performance, and recovery. Daily suggested workouts adjust after each session, while the race widget brings together training tips, weather information, and projected finish times for upcoming events.

Training Readiness and Recovery Insights

Training Readiness combines sleep quality, recovery time, HRV status, recent training load, and stress to help indicate how prepared you are for a demanding workout. Training Status, acute load, load focus, Training Effect, performance condition, VO2 max, and recovery time provide additional context for managing training intensity.

Wrist-Based Running Dynamics

Track cadence, stride length, ground contact time, vertical oscillation, and vertical ratio directly from the wrist. Wrist-based running power estimates effort without requiring a separate sensor, while PacePro pacing strategies and race predictions support structured training and race-day planning.

Running and Multisport Profiles

Built-in activity profiles support running, track running, trail running, cycling, pool swimming, open-water swimming, triathlon, strength training, HIIT, cardio, yoga, Pilates, skiing, rowing, and many other sports. Multisport modes make it easy to transition between activities during triathlon and brick workouts.

Phone-Free Music and Garmin Pay

Download songs and playlists from supported services such as Spotify, Amazon Music, and Deezer with an eligible subscription. Pair compatible Bluetooth headphones directly with the watch for phone-free listening. Garmin Pay also enables supported contactless payments through participating financial institutions.

Health, Sleep, and Energy Monitoring

Garmin wellness features include wrist-based heart rate monitoring, Pulse Ox, HRV Status, Body Battery energy monitoring, all-day stress, respiration tracking, advanced sleep monitoring, and Health Snapshot. These features provide a broader view of everyday wellness and recovery and are intended for general wellness use.

Smart Notifications and Safety Features

Pair the watch with a compatible iPhone or Android smartphone to receive calls, messages, calendar alerts, emails, weather, and app notifications. Assistance, incident detection, and LiveTrack can share your location with selected contacts when connected to a compatible phone.

Up to 15 Days of Battery Life

The rechargeable battery provides up to 15 days of use in smartwatch mode and up to 24 hours in GPS-only GNSS mode, depending on settings and usage. This supports daily activity tracking, sleep monitoring, training, and long outdoor sessions with fewer charging interruptions.

Key Features

• Compact GPS running and triathlon smartwatch
• 1.1-inch AMOLED touchscreen
• 360 × 360-pixel display resolution
• Corning Gorilla Glass 3 lens
• Five physical control buttons
• Multi-band GNSS with SatIQ technology
• GPS, GLONASS, and Galileo support
• Garmin Coach adaptive training plans
• Daily suggested workouts and race widget
• Training Readiness and Training Status
• VO2 max, recovery time, and Training Effect
• Wrist-based running dynamics and running power
• PacePro pacing strategies
• Triathlon and multisport profiles
• Onboard music and Bluetooth headphone support
• Garmin Pay contactless payments
• Wrist-based heart rate and Pulse Ox
• HRV Status and Body Battery monitoring
• Advanced sleep and stress tracking
• Smart notifications
• Incident detection, assistance, and LiveTrack
• 5 ATM water resistance
• Up to 15 days in smartwatch mode
• Up to 24 hours in GPS-only mode

Technical Specifications

• Brand: Garmin
• Model: Forerunner 265S
• Part number: 010-02810-03
• Product type: GPS running and triathlon smartwatch
• Display type: AMOLED color touchscreen
• Display size: 1.1 inches
• Display resolution: 360 × 360 pixels
• Lens material: Corning Gorilla Glass 3
• Bezel material: Fiber-reinforced polymer
• Case material: Fiber-reinforced polymer
• Dimensions: 41.7 × 41.7 × 12.9mm
• Weight: Approximately 39g
• Band compatibility: 18mm quick-release bands
• Water rating: 5 ATM
• Internal storage: 8GB
• Satellite systems: GPS, GLONASS, and Galileo
• GNSS features: Multi-band frequency and SatIQ technology
• Connectivity: Bluetooth, ANT+, Wi-Fi, and NFC
• Smartphone compatibility: iPhone and Android
• Smartwatch battery life: Up to 15 days
• GPS-only GNSS battery life: Up to 24 hours
• All-systems GNSS battery life: Up to 15 hours
• All-systems multi-band battery life: Up to 14 hours
• Charging method: Garmin proprietary charging and data cable

What's in the Box

• Garmin Forerunner 265S smartwatch
• Charging and data cable
• Product documentation

The Garmin Forerunner 265S running smartwatch is ideal for runners and triathletes who want accurate GPS tracking, adaptive coaching, advanced performance and recovery insights, phone-free music, Garmin Pay, and long battery life in a compact design.