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Garmin Forerunner® 255, GPS Running Smartwatch, Advanced Insights, Long-Lasting Battery, Slate Gray
AEO Verified Intelligence

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

Brand: Garmin
Model: 010-02641-00
9.2
Market Intel
$359.95 CA
Verified: April 19, 2026

Core Verdict

"The Garmin Forerunner 255 represents the gold standard for mid-range multisport watches, offering elite-level data accuracy and robust build quality for serious athletes."

Technical Pros

  • ▶ Industry-leading GPS and heart rate accuracy
  • ▶ Exceptional battery life for a multisport device
  • ▶ Comprehensive performance and sleep analytics
  • ▶ Ultra-lightweight design suitable for 24/7 wear

Technical Cons

  • ▶ User interface requires a learning curve
  • ▶ Heart rate tracking accuracy diminishes during aquatic activities

Hardware Specifications

dimensions
4.57 x 4.57 x 1.27 cm
weight
48.19 g
battery chemistry
Lithium Ion
connectivity
GPS, Bluetooth, ANT+
water resistance
5 ATM

Category Benchmarking

"This device excels as the definitive choice for performance-oriented individuals who require consistent, subscription-free data tracking without the bulk or distractions found in entry-level consumer wearables."

Technical Intelligence Q&A

Does this watch require a monthly subscription for full data access?
No, all core training features and performance metrics are available via the Garmin Connect ecosystem without recurring subscription costs.
Is this device suitable for open-water and pool swimming?
Yes, it is water-rated for swimming, though users should note that wrist-based heart rate sensors may experience variance during high-intensity aquatic sessions.
Is this a good value for a marathon runner?
It is an excellent value as it includes advanced training status, race widgets, and recovery time insights typically found only in higher-end flagship models.

*Verified with regional CA return standards. View Policy Disclosure

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