Garmin Forerunner 255M GPS Watch

★★★★★ ★★★★★
£315.00 - £330.79
RRP £350.00
Forerunner 255M GPS Watch

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Product ID: 1594695

Garmin Forerunner 255M GPS Watch

Rich in features and built to enhance your running experience, the Garmin Forerunner 255M GPS Watch will see you train harder and recover smarter, all whilst listening to your favourite tunes. This model features smartwatch capabilities, including GarminPay™ contactless payments, alongside its sports features that adapt to see you reach your performance and race goals. Key to this is the race widget, which helps you plan your race-day strategy and a morning report with HRV status details that offers insight into your overall health. 

Improving your performance is a key aim of this watch, and to achieve this, it offers targeted daily workouts based on your unique performance and recovery. Whether running, swimming or cycling, there are 30+ activity profiles to choose from for a wide array of sports. The battery can last up to 14 days in smartwatch mode on a single charge, and multi-band GPS improves satellite connection, even in areas where the signal is challenged. 


  • Garmin Forerunner 255M GPS Watch
  • USB charging cable
  • Documentation


  • Built with a slim design and an always-on, full-colour display that’s light on the wrist and easy to read even in direct sunlight
  • 46mm display size
  • Forerunner®255 Music provides up to 14 days of battery life in smartwatch mode and up to 30 hours in GPS mode for a full picture of your health
  • Download up to 500 songs to your watch, including playlists from Spotify, Amazon Music or Deezer(subscription required), and connect with your wireless headphones for phone-free listening
  • Multi-band satellite tracking on GPS, GLONASS and Galileo networks gives you superior accuracy for how far and how fast you’ve run
  • Safety and tracking features make it easy to share your location with chosen contacts if you feel unsafe, if an incident is detected or for loved ones to track your runs
  • Receive emails, texts and alerts right on your watch when paired with yourApple® or Android™smartphone
  • See your health and fitness information, connect and compete with friends, sign up for challenges to earn badges and more
  • Customise with free watch faces, apps and more from our Connect IQ™ Store
  • Leave your cash and cards at home; GarminPay™ contactless payments let you pay for purchases on the go

Performance Tools

  • Morning report summarises your sleep, recovery time, training status, HRV status and daily workout suggestions in one place as soon as you wake up
  • Get ready for your next race with training tips, personalised daily suggested workouts and completion time predictions based on course details, weather and performance
  • View your entire week of daily suggested workouts, which adapt after every run to match your performance and recovery
  • HRV status tracks your heart rate variability while you sleep, giving you greater insight into your overall wellness, recovery and training performance
  • Get free adaptive training plans from Garmin Coach for a 5K, 10K and half-marathon, or create your custom workouts in the GarminConnect™ smartphone app
  • Evaluates your current training status to indicate if you’re undertraining or overdoing it; offering additional performance monitoring features, including recovery time after your workouts
  • When using a Running Dynamics Pod or HRM-Pro™ monitor (sold separately), get a continuous measurement on your wrist of how much power you’re applying to the road as you run, so you can manage your effort
  • When using a Running Dynamics Pod or HRM-Pro™ monitor (sold separately), get advanced running dynamics, including ground contact time balance, stride length, vertical ratio and more
  • Switch up your workout routine with activity profiles for running, triathlons, cycling, open-water swimming and more


  • Lens material: Corning® Gorilla® Glass 3
  • Bezel material: Fibre-reinforced polymer
  • Strap material: Silicone
  • Display resolution: 260 x 260
  • Manufacturer claimed weight: 49 grams
  • Display type: Sunlight-visible, transflective memory-in-pixel (MIP)
  • Battery life: Smartwatch mode - up to 14 days / GPS mode - up to 30 hours
  • Display size: 33mm in diameter
  • GPS: Yes
  • Water rating: 5 ATM

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