Garmin Forerunner 255 Smart Sports Watch - Slate Grey, 46mm

Achieve your personal best with this feature-rich GPS running watch. Designed for athletes and fitness enthusiasts, this watch offers detailed training and health insights to elevate your fitness journey.

• Sleek, 46mm-sized smart watch
• Soft and comfortable durable band
• Durable Corning Gorilla Glass 3 offers resistance to scratches and damage
• Push your limits with the built-in triathlon feature and 30+ activity profiles
• Leverage a wide array of metrics and training tools to reach your goals
• Plan your exercise routine with suggested workouts, courses and more
• Leave your wallet at home with Garmin Pay™ contactless payments
• Impressive battery life of up to 12 days in smartwatch mode

Personalised Garmin coach

This cutting-edge GPS running watch comes equipped with free adaptive training plans for 5K, 10K and half-marathon races. Designed by expert coaches, these programs adapt to your individual goals ensuring you reach your full potential.

Wrist-based heart rate

Featuring our latest-generation heart rate sensor, this watch constantly samples your heart rate and will alert you if it stays too high or low. It also provides detailed insights on how hard you’re working during workouts, including swimming!

Built-in sports apps

This watch is perfect for any type of workout with over 30 built-in activities, including triathlon and open-water swimming profiles. Easily transition between activities with just one button press during races or brick workouts.

Pulse OX sensor

This advanced watch integrates a wrist-based pulse OX sensor to track your blood oxygen saturation levels, delivering valuable information about your sleep patterns and helping you adjust to high altitudes.

BODY BATTERY™ energy monitoring

Monitor your energy levels throughout the day so you can find the optimal time for activity, rest or sleep. With comprehensive data on how your energy levels are affected by your daily activities, this watch promises improved performance and overall well-being.

Race adaptive training plans

Equipped with personalised daily suggested workouts and completion time predictions, this watch helps you meet your goals. Simply enter your upcoming race into the Garmin watch and it will build a customised routine that’ll get you ready for it.

Ready for the long run

Track your daily health and sleep patterns without the need for frequent charging, thanks to the long-lasting battery life of this watch. In smartwatch mode, it can operate for up to 12 days and last up to 26 hours in GPS mode.