Forerunner 255 GPS Running Smartwatch - Advanced Training Insights

In this review of the Forerunner 255 GPS running smartwatch, the bottom line is simple: this renewed Slate Gray model is aimed at serious runners and multisport athletes who want smarter training guidance without replacing their watch every season. The single biggest reason to buy is the combination of adaptive daily suggested workouts and multi-band GPS positioning, which together deliver consistently useful training and route data. Our review finds it balances battery life, on-device coaching and health tracking in a compact package that also supports contactless payments and more than 30 activity profiles.

Key Features

• Training status and recovery: Provides insights into how workouts affect fitness so users can plan hard sessions and rest days more intelligently.
• Daily suggested workouts: Adapts suggested workouts to recent performance and goals so training stays relevant without manual planning.
• Multi-band GPS: Improves location accuracy on complex routes and in urban or wooded areas, giving more reliable pace and distance data.
• Race widget: Helps plan race strategy by estimating pacing and effort for a chosen event so race day goes according to plan.
• Morning report with HRV status: Delivers a quick health snapshot each morning including heart rate variability to guide workout intensity for the day.
• Garmin Pay contactless payments: Lets users make quick purchases after workouts without carrying a wallet when a supported card is set up.

Who It's For

The Forerunner 255 is best for regular road runners, triathletes and cyclists who value data-driven training guidance and accurate GPS tracking. Its adaptive workouts and training status are most useful for users who log consistent sessions and want day-to-day recommendations that reflect recent performance.

It may be less appropriate for buyers who need the latest physical-condition sensors beyond those mentioned here or those who prefer a brand-new unit rather than a renewed watch; shoppers wanting a simple step tracker or fashion-first smartwatch should look elsewhere.

Pros & Cons

Pros

• Smart, adaptive daily workouts that save time on planning and keep training focused.
• Reliable multi-band GPS for accurate route, pace and distance across varied environments.
• Useful race widget and morning HRV report that help with race planning and daily readiness.
• Contactless Garmin Pay and broad activity profile support for triathlon and cross-training.

Cons

• Renewed condition may not appeal to buyers who prefer a factory-sealed new unit.
• Advanced features require regular use to get full benefit, so casual users may not utilize everything.

Specifications

Model	Forerunner 255 (Renewed)
Color	Slate Gray
Primary function	GPS running smartwatch with multisport profiles
Key sensors/features	Multi-band GPS, HRV morning report, training status
On-device features	Daily suggested workouts, race widget, Garmin Pay
Activity support	More than 30 activity profiles including triathlon, cycling, swimming

Our Verdict

The Forerunner 255 is a strong choice for committed runners and multisport athletes who want adaptive coaching, accurate GPS and practical extras like Garmin Pay. As a renewed Slate Gray unit it offers the same core training benefits at a lower cost than new, making it good value for users who prioritize performance data and day-to-day readiness over having an out-of-box new device.

Frequently Asked Questions

Is this model suitable for triathlon training?
Yes. The watch supports more than 30 activity profiles including triathlon, so it can handle swim, bike and run sessions in one device.

Does it support contactless payments?
Yes. Garmin Pay is supported so you can make contactless payments with a compatible card when set up.

Will the GPS work in urban canyons and wooded routes?
Yes. The Forerunner 255 includes multi-band GPS for improved accuracy in challenging environments.