Garmin Forerunner 945 GPS Running & Triathlon Smartwatch

Item number: 71291
Forerunner 945 GPS Running & Triathlon Smartwatch - black-slate/universal
Forerunner 945 GPS Running & Triathlon Smartwatch - black-slate/universal
Forerunner 945 GPS Running & Triathlon Smartwatch - black-slate/universal
Forerunner 945 GPS Running & Triathlon Smartwatch - black-slate/universal
Forerunner 945 GPS Running & Triathlon Smartwatch - black-slate/universal
  • 100 day return period
  • Online since 1998
  • Trusted Shop 4.89 / 5.00

GPS multi-sport watch for ambitious runners and more: the Forerunner 945 GPS Smartwatch by Garmin

With the Forerunner 945 running and triathlon smartwatch, even ambitious goals become achievable. The GPS multi-sport watch offers advanced heart rate measurement at the wrist and innovative physiological functions help you to analyse your training, increase your fitness and prepare perfectly for competitions - from half marathons to Ironman. Including Garmin Music Player, European map with route recommendations for cyclists and runners, automatic accident notification, Garmin Pay and many more Connected Features and a battery life of up to 14 days.

Information regarding the return of batteries and electrical equipment:

Information on the return and disposal of used batteries and electrical equipment can be found here.


Cycling, Running, Triathlon
pre-installed Europe base maps
map-based route navigation
Speed Sensor (Sold Separately): Speed Sensor Set ANT+
Heart Rate:
yes, on the wrist & in connection withANT+ HRM-RUN Run chest strap
Cadence sensor (optionally available): Cadence Sensor Set ANT+
Power Meter Compatibility:
yes with e.g. Vector 3S power meter pedals or other ANT+ compatible power meter devices
yes (step frequency, vertical movement, ground contact time, swim analysis)
Sensor Connectivity:
Bluetooth, ANT+
Data Transfer:
Bluetooth, WLAN, ANT+

Technical Information:

47 x 47 x 13.7 mm
Display Size:
Display Resolution (W x H):
240 x 240 pixels
Wristband Length:
130-220 mm
Wristband Material:
Power Supply:
lithium-ion battery
Battery Life:
up to 2 weeks; up to 36 hours in GPS mode w/o music; up to 10 hours in GPS mode w/ music
Satellite System:


Clock Functions:
  • time/date
  • GPS time synchronisation
  • automatic summer time
  • alarm clock, timer, stopwatch
  • sunrise and sunset times

Daily Smart Functions:
  • Smart Notifications
  • Reject SMS reply/call by SMS (Android only)
  • Calendar
  • Weather
  • Music, incl. data storage for up to 1,000 tracks
  • Find my phone
  • VIRB® remote control
  • Garmin Pay™

Security and Tracking Functions:
  • accident notification during certain activities (smartphone required)
  • emergency assistance (smartphone required)
  • LiveTrack
  • Group LiveTrack
  • Live Event Sharing (Android only)

Activity Functions:
  • pedometer
  • inactivity indicator
  • automatic daily target adjustment
  • sleep monitoring
  • burned calories tracking
  • stair climber
  • covered distance
  • intensity minutes
  • TrueUp™
  • Move IQ™
  • sport age
  • Body Battery™ energy monitor
  • all-day stress tracking
  • activity profiles for the gym can be added

Training and Analysis Functions:
  • speed and distance via GPS
  • customisable data pages
  • customisable activity profiles
  • Auto Pause®
  • Interval Training
  • downloadable training plans
  • Auto Lap®
  • manual rounds
  • heat and altitude acclimatisation (thermometer integrated)
  • VO2max to determine training condition and load
  • Training Effect (aerobic and anaerobic)
  • customisable alarms
  • audio announcements
  • Virtual Partner, Virtual Racer
  • automatic and manual multi-sport activities
  • route guidance on routes
  • RoundTrip routing creator (running/cycling)
  • Hotkeys
  • activity log
  • Physio TrueUp

Heart Rate Functions:
  • heart rate ranges
  • heart rate alarms
  • heart rate calories
  • measurement of heart rate at maximum load and in rest mode
  • HFV stress test possible with compatible accessories
  • pulse oximeter for calculating the peripheral oxygen saturation of the blood
  • heart rate transmission (data is sent to paired devices via ANT+)

Running Functions:
  • various running profiles available
  • distance, time and pace (using GPS data)
  • vertical movement (possible with compatible accessories)
  • ground contact time (possible with compatible accessories)
  • step length (possible with compatible accessories)
  • lactate threshold (possible with compatible accessories)
  • step counter
  • performance status
  • running training
  • runtime forecast
  • compatible with running sensor SDM4

Outdoor Recreation Functions:
  • various outdoor leisure profiles available, e.g. hiking, skiing, snowboarding, rowing.
  • point-to-point navigation
  • track recording in real time
  • back to start
  • TracBack®
  • UtlraTrac mode
  • Around Me mode
  • elevation profile
  • distance to the target
  • barometric trend display
  • ClimPro™ access planner
  • car ascent during trail running
  • vertical speed
  • total ascent/descent
  • future elevation profile
  • compatible with BaseCamp™
  • GPS coordinates
  • waypoint projection
  • gauge and go
  • dual grid coordinates
  • XERO™ locations

Cycling Functions:
  • various bike profiles available via app
  • routes (to compete against previous activities)
  • lap and maximum lap power
  • time/distance alarm
  • power-drawn anaerobic threshold (possible with compatible accessories)
  • cadence

Swimming Functions:
  • various swimming profiles available via app
  • indication of lanes, distance, pace, number of strokes, calorie consumption for swimming pool and open water
  • swim style recognition
  • swim efficiency (SWOLF)
  • exercise recording
  • heart rate (possible with compatible accessories)


  • MIP display (Memory in Pixel): easy to read even in sunlight
  • key lock
  • outdoor functions such as area calculation, hunting and fishing calendar and a sun/moon calendar are available via Connect IQ™
  • Garmin Coach 2.0 is your digital training coach with a free training plan and step-by-step instructions
  • smart notifications for incoming messages and calls
  • easy operation and quick access to the various functions via 5 buttons
  • fitness tracking counts steps, calories and intensity minutes so you're reminded to get moving
  • Body Battery determines your body's energy level based on heart rate variability, stress, sleep quality and activity
  • Garmin Pay™ enables contactless payment


  • compatible with QuickFit™ watch bands for fenix 5
  • Standard or Heart Rate Chest Strap Premium ANT+ with Transmitter
  • Chest Strap Run HRM-RUN ANT+
  • SDM4 Foot Pod ANT+
  • Running Dynamics Pod ANT+
  • Speed Sensor Set ANT+
  • Cadence Sensor Set ANT+
  • Varia™ Radar: Varia™ Radar Bundle head unit RDU + RTL 501 rear light, Varia™ RTL 511 Radar rear light, Varia™ Bundle RTL 511 Radar rear light + display unit
  • Varia™ UT 800 Trail Edition LED helmet light
  • Vector™ Power Meter Pedals: Vector 3 power meter pedals or Vector 3S power meter pedals
  • Virb Remote

  • Garmin Connect™
  • Connect IQ™ Shop
  • Firstbeat™
  • Strava
  • AccuWeather
  • MinuteCast
  • Spotify and Deezer music streaming

  • Android: 4.4 OS or higher, Bluetooth 4.0 or higher
  • Apple: iOS 10.0 or higher, compatible with iPhone, iPad, and iPod touch

iOS and iPhone are trademarks of Apple Inc., registered in the U.S. and other countries.

Manufacturer Number:



  • 1 x Garmin Forerunner 945 smartwatch
  • 1 x charge/data cable


  • black-slate/universal, in stock

Customer Reviews (4)


Customer Reviews (4)


Give us your opinion on this product.

by Andrii S.  on 08.12.2021
verified purchase

Best watch for triathlon. Good price. Good service and fast delivery.

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