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Forerunner® 255, GPS Running Smartwatch, Advanced Insights, Long-Lasting Battery, Slate Gray

Featuring a slim design and an always-on, full-color display, this watch is light on the wrist and easy to read, even in direct sunlight. It is available in 46 mm and 41 mm sizes. The Forerunner 255 offers up to 14 days of battery life in smartwatch mode and up to 30 hours in GPS mode, providing a comprehensive view of your health from sleep to training. Your morning report summarizes your sleep, HRV status, and daily workout suggestion in one place as soon as you wake up. Prepare for your next race with training tips, personalized 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, offering deeper insight into your overall wellness, recovery, and training performance. Access adaptive training plans from Coach for a 5K, 10K, or half-marathon, or create your own custom workouts using the Connect smartphone app.

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Additional Information
First Listed on Newegg	June 10, 2026

Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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