Garmin Forerunner 255s GPS Watch

★★★★★ ★★★★★
RRP £300.00 Save 5%
Forerunner 255s GPS Watch

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Product ID: 1594690

Garmin Forerunner 255s GPS Watch

Through workouts, hard training efforts and race-day sprints, the Garmin Forerunner 255s GPS Watch is the perfect partner to excel your running performance. Loaded with useful technology, this watch is feature-packed and offers valuable insight into your activities, overall health and more. Smartwatch features and GarminPay™ contactless payment add convenience to your everyday life, with the latter being functional without a mobile connection.

From the moment you wake up, this watch greets you with sleep data and recommended training suggestions, all designed to help you on your journey towards your fitness goals. HRV status tracking highlights your heart rate whilst you sleep, offering a deep dive into your overall wellness, whilst the multi-band GPS ensures unwavering accuracy. The 41mm screen seen on this model is bright and full colour, and is easy to read even in direct sunlight. A high-capacity battery provides ample runtime for your activities, lasting up to 12 days in smartwatch mode. 


  • Garmin Forerunner 255s 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
  • 41mm display size
  • Forerunner®255S provides up to 12 days of battery life in smartwatch mode and up to 26 hours in GPS mode for a full picture of your health
  • 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 your Apple® 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 a daily workout suggestion 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; offers 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: 218 x 218
  • Manufacturer claimed weight: 39 grams
  • Display type: Sunlight-visible, transflective memory-in-pixel (MIP)
  • Battery life: Smartwatch mode - up to 12 days / GPS mode - up to 26 hours
  • Display size: 27.5mm in diameter
  • GPS: Yes
  • Water rating: 5 ATM

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