Fitness Accessories November 2, 2025 5 min read

Garmin Forerunner 255: The Ultimate Training Companion

After 6 months of training with the FR255, we reveal why it's the perfect watch for serious runners.

Garmin Forerunner 255

by Garmin

$349.99

4.6/5
Overall Rating

Training Intelligence

The Garmin Forerunner 255 transforms raw workout data into actionable training insights, making it an invaluable tool for serious runners.

GPS Accuracy

Multi-band GPS provides exceptional accuracy even in challenging environments. Track testing showed consistently precise distance and pace measurements.

Training Metrics

Comprehensive metrics including VO2 max, recovery advisor, and training load help optimize training and prevent overuse injuries.

Battery Performance

Up to 14 days in smartwatch mode and 30 hours with GPS make this watch suitable for ultra-distance events and extended training periods.

User Interface

The interface is comprehensive but can be overwhelming for new users. The learning curve is steep but worthwhile for dedicated athletes.

Value Analysis

At $349.99, the FR255 offers professional-level features at a mid-range price point, making advanced training technology accessible to more runners.

Pros

  • Comprehensive metrics
  • Excellent GPS accuracy
  • Long battery life
  • Training guidance

Cons

  • Complex interface
  • Expensive
  • Large size

Tags

GPS watch training metrics advanced features serious runners