Finnish sports watch manufacturer Suunto has announced its latest wearable, the Suunto Race 3S, introducing a smaller form factor alongside a significant price increase that places it in a much more competitive tier than its predecessors. Alongside the new hardware, the company has launched a subscription-based service called Suunto AI Coach, which funnels new application-level features into a recurring payment model. Following weeks of testing across varied terrain, industry reviews indicate that while the device performs admirably in core tracking metrics, its high price tag and reliance on legacy display technology make it a tough sell in the modern wearables market.

Suunto Race 3S In-Depth Review: A Pricey Upgrade

The Suunto Race 3S arrives as an incremental hardware upgrade to the existing Suunto Race S, bypassing a hypothetical Race 2S and leaving a larger companion model conspicuously absent from the lineup. When questioned about the lack of a standard Suunto Race 3, company representatives declined to comment. The new watch features several notable hardware enhancements compared to its predecessor, which continued receiving firmware updates through the spring. These changes include a peak display brightness doubled from 1,000 nits to 2,000 nits, an upgrade from Gorilla Glass to Sapphire Crystal glass, and a shift from a stainless steel bezel to a titanium bezel.

Suunto Race 3S In-Depth Review: A Pricey Upgrade

Additional hardware updates include an improved optical heart rate sensor, a faster Apollo 510 processor, and extended battery life. GPS tracking time climbs to 38 hours in dual-frequency mode and 45 hours in single-frequency mode, while daily smartwatch battery life increases from 9 days to 12 days. Internal storage has been doubled from 32GB to 64GB, enabling offline MP3 music playback via downloaded files, though the device lacks support for third-party streaming services. The case size has increased slightly from 45mm to 46mm, while total weight has decreased from 60 grams to 56 grams.

Suunto Race 3S In-Depth Review: A Pricey Upgrade

However, these hardware adjustments come with a steep jump in retail pricing. The Suunto Race 3S launches at $599 USD and 499 EUR, marking a substantial increase over the $349 USD and 349 EUR launch price of the original Suunto Race S. Regional specifications note that NFC support is restricted exclusively to the Chinese market, meaning contactless payment integration is unavailable elsewhere. Software updates introduced on the device include a new Tide Widget, expanded map labels featuring road names, water bodies, and mountain peaks, and the addition of Ascent as an exercise target. A forthcoming Race Planner feature, designed to factor in historical training weather and race-day conditions without requiring the AI subscription, is slated for release later in the year in three color options: purple, white, and black.

Suunto Race 3S In-Depth Review: A Pricey Upgrade

Unboxing the Suunto Race 3S reveals a standard retail presentation consistent with recent Suunto products. The package includes the watch pod, a standard band strap, paperwork, and an upgraded magnetic braided charging cable that resolves alignment issues found in earlier models. Attaching the straps to the watch pod requires a brief assembly process before the device is ready for use.

Suunto Race 3S In-Depth Review: A Pricey Upgrade

Operating the Suunto Race 3S relies on a traditional three-button layout supplemented by a touchscreen interface. The upper right button accesses the workout menu, the middle digital crown scrolls through lists and pinned widgets, and the bottom button serves as a back command. The left side of the case remains completely bare. While the 2,000-nit display remains legible under bright outdoor sunlight, industry standards in the wearables market have largely shifted toward 3,000-nit panels, with competitors offering larger and brighter screens at significantly lower price points. Power-saving algorithms can occasionally trigger aggressive dimming shortly after a wrist raise, and the device notably omits a physical LED flashlight, relying instead on a screen-based illumination tool.

Suunto Race 3S In-Depth Review: A Pricey Upgrade

Daily activity tracking includes customizable widgets for steps, sleep, and heart rate variability. Sleep tracking duration generally aligns closely with competing wearables within a narrow margin of error. Internal storage capacity stands at 64GB, though offline music management is limited to manual USB file transfers of owned or locally stored MP3 files paired with Bluetooth audio devices, as industry licensing for streaming platforms remains closed. Basic smartphone notifications deliver text and emoji readouts.

Suunto Race 3S In-Depth Review: A Pricey Upgrade

Sports tracking and mapping functionality are accessed through the workout panel, which searches for GPS and heart rate lock upon initialization. The device supports up to three concurrent SuuntoPlus applications within a single sport profile, alongside downloadable routes and structured training guides. Map management requires users to download specific regional files over Wi-Fi via the companion smartphone application. While rotation performance on the map screen is instantaneous, zooming in or out frequently triggers brief delays accompanied by black square loading tiles, which can appear visually jarring during active use. Elevation tracking and climb progress metrics function smoothly, with workout summaries syncing automatically to third-party platforms such as Strava and TrainingPeaks.

Suunto Race 3S In-Depth Review: A Pricey Upgrade

Accuracy testing highlights the performance of the newly redesigned optical heart rate sensor, which features six LEDs and four photodetectors housed beneath curved sensor glass. Across multiple extended trail runs, hilly city routes, and demanding gravel cycling sessions featuring frequent stop-and-go movements, the optical sensor delivered reliable data that closely mirrored chest strap reference measurements, marking a substantial improvement over previous Suunto hardware generations. GNSS tracking proved similarly reliable, maintaining tight alignment across open terrain and challenging urban environments flanked by tall buildings, where multiple competing devices experienced minor tracking anomalies. Battery performance testing during multi-hour trail runs with navigation enabled demonstrated efficiency aligned with official specifications, while power data was correctly logged into standard .FIT files.

Suunto Race 3S In-Depth Review: A Pricey Upgrade

Alongside the hardware launch, Suunto has introduced the Suunto AI Coach subscription service, designed to analyze current and historical training data to generate race planning insights. While Suunto Race 3S purchasers receive a three-month complimentary trial, the long-term subscription pricing has not yet been finalized by the manufacturer, drawing criticism from users wary of recurring fee structures without upfront cost transparency. At the same time, Suunto announced a free Suunto MCP platform for all users, aligning with broader industry trends toward open data access.

Suunto Race 3S In-Depth Review: A Pricey Upgrade

The launch of the Suunto Race 3S presents a complex value proposition for endurance athletes and outdoor enthusiasts. While the device delivers meaningful hardware refinements, particularly regarding its significantly improved optical heart rate sensor, robust battery life, and durable titanium and sapphire construction, its elevated price point positions it directly against aggressively priced competitors offering more advanced display technology and broader feature sets. For potential buyers, the decision to invest in the Race 3S will largely depend on how heavily they weigh Suunto’s established ecosystem and tracking accuracy against its premium cost.

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