COROS PACE 4 Ultralight Sport GPS Watch, 1.2" AMOLED Touchscreen,19 Days of Daily use, Voice Features, Advanced Training Tools, Accurate GPS, Heart Rate Monitor, Run (Black Silicone)
Quick take
The COROS PACE 4 is an ultralight GPS watch designed for runners and training-focused athletes who want comfortable 24/7 wear plus long battery life. It pairs an easy touchscreen experience with built-in GPS and heart rate monitoring, and it adds voice recording and voice control for workout notes and alerts. The biggest buying caveat is that it prioritizes sport and training features over a full smartwatch feature set.
Pros and cons
Pros
- Ultralight comfort for daily wear, with a very thin profile (32g with nylon band, 11.8mm thin).
- Bright 1.2-inch AMOLED touchscreen with auto-adjusting brightness and higher resolution than the Pace 3.
- Battery life that supports long training windows, with up to 41 hours of continuous GPS use and up to 19 days of daily battery life.
- Voice features for hands-free workout capture and voice control, plus an easy mix of crown, buttons, and touch.
- Training and recovery metrics in the COROS app, including recovery time, sleep stages, HRV, and menstrual cycle tracking.
Cons
- Water resistance is rated to 5 meters, so it may not suit buyers who expect frequent swimming or heavy water exposure.
- Only GPS is listed for satellite navigation support, which may matter if you specifically want broader GNSS options.
- Buyer-review evidence focuses on running and daily comfort, so if your priority is a smartwatch-style app ecosystem, you may want to check compatibility with your must-have features.
What buyers think
Buyer-review evidence is strongly centered on comfort, day-to-day wearability, and endurance. Many reviewers describe the watch as lightweight enough to “forget you’re wearing it,” and several call out that the interface feels clean and straightforward. GPS performance and battery life show up repeatedly, with multiple mentions of accurate tracking and battery lasting through long sessions and typical daily use. A handful of comments also compare the experience favorably versus older devices, especially for easier app use and a calmer day-to-day setup. At the same time, the review set is limited in depth, so overall sentiment beyond running comfort, GPS, and battery life is less consistent.
What the COROS PACE 4 is built for
The COROS PACE 4 targets runners and training-focused athletes who want a sports GPS watch that is easy to live with. The combination of a very light build and a slim case profile is meant to support continuous wear, while the AMOLED touchscreen aims to keep the display readable across lighting conditions. For workouts, it focuses on training metrics and ongoing recovery insights rather than trying to be a catch-all smartwatch.
Design and display, including what “ultralight” means in practice
With an ultralight 32g weight (including the nylon band) and a thin 11.8mm profile, the PACE 4 is positioned for comfort during runs and everyday wear. The 1.2-inch AMOLED touchscreen is described as color-vibrant with sharp lines, and it uses auto-adjusting brightness to improve visibility in different environments. If you prefer gestures and a quick screen check over complicated menus, this touchscreen-first approach can feel more intuitive during training.
GPS and daily battery life: the two features runners tend to notice first
For GPS, the watch includes built-in GPS and uses it for geotagging functionality. In the review snippets, GPS accuracy and reliability come up frequently, especially in comparisons where buyers wanted dependable tracking across longer sessions. Battery life is one of the clearest differentiators: the watch is rated for 41 hours of continuous GPS use and up to 19 days of daily battery life. That gap between “GPS hours” and “daily days” is what makes it easier to keep wearing without thinking about charging schedules.
Voice features for workout notes and quick control
The PACE 4 includes voice recording capabilities that capture details like where you were, what you saw, and how you felt during a workout, and it can turn those notes into a training log at the end of the activity. It also supports voice control for tasks like setting an alarm or creating a target workout. If you dislike stopping mid-run to type or tap through prompts, voice inputs can be a practical workflow improvement.
Training and recovery insights in the COROS app
The watch and COROS app are designed to work together for training and health tracking. The app highlights training and recovery metrics such as recovery time, sleep stages, and HRV, and it also includes menstrual cycle tracking. For people who want more than just “did you run today,” these insights can help structure training around how your body is responding.
Heart rate and health tracking, plus what to expect from a sport-focused watch
The PACE 4 includes a heart rate monitor and supports additional health metrics such as sleep duration and blood oxygen monitoring. This is still a fitness-first device, so buyers who want deep smartwatch-style health suites or broad third-party app experiences should validate whether their must-have software capabilities are supported. For many runners, the value is that the metrics connect back into training and recovery decisions.
Pros and cons breakdown (who it fits best)
Best for
- Runners who want ultralight comfort for 24/7 wear and less “watch distraction” during runs.
- People who prioritize battery life for training consistency and fewer charging interruptions.
- Buyers who like touchscreen controls but still want physical input for workout navigation.
- Training-minded athletes who want recovery and sleep-stage style insights in the app.
- Anyone who finds typing during workouts annoying and would rather use voice recording.
Who should avoid it
- Swimmers or buyers expecting heavy water activity, since the water resistance rating is 5 meters.
- People who need satellite navigation systems beyond GPS (only GPS is listed).
- Shoppers looking for a smartwatch replacement with broad app ecosystems and features beyond training and health.
Alternatives: how to choose a different running GPS watch
Without naming specific models, the most important comparison criteria for this category are comfort, GPS reliability, and battery life. If you’re moving from a heavier smartwatch to a running GPS device, prioritize lightweight build and clear touchscreen visibility. If you’re choosing between sport-first ecosystems, compare how the app presents training load, recovery, sleep, and HRV, and check whether voice or quick logging fits your workout habits. Finally, verify water resistance and navigation support match your training environment.
Verdict
The COROS PACE 4 is a compelling choice for runners who want a lightweight GPS watch that delivers long battery life, dependable GPS performance, and a clean, easy-to-use interface. Voice features and recovery-focused training tools add meaningful convenience for people who document workouts and track how their body is responding. If you need a smartwatch-first experience or frequent water activity, you may want to look at other options, but for training-first buyers, it checks many of the practical boxes.
View latest price and details
FAQs
How long does the battery last on the COROS PACE 4?
It’s rated up to 19 days for daily battery life, and up to 41 hours of continuous GPS use. Real-world results depend on settings like brightness, GPS mode, and whether you use additional features.
Is the display easy to read outdoors?
The watch uses a 1.2-inch AMOLED touchscreen with auto-adjusting brightness, which is designed to keep the screen easier to read in different environments.
Does the COROS PACE 4 have voice recording or voice control?
Yes. It includes voice recording for capturing workout details and voice control features for tasks like setting alarms and creating a target workout.
What GPS does it use?
It includes built-in GPS for tracking and geotagging. Only GPS is listed for supported satellite navigation.
Is it safe for swimming?
The water resistance rating is 5 meters. If you’re doing regular swimming, check whether that level of water resistance matches your needs.
What training and recovery metrics does it track?
Through the COROS app, it supports training and recovery metrics such as recovery time, sleep stages, and HRV, plus menstrual cycle tracking.
Specifications
| Product Title | COROS PACE 4 Ultralight Sport GPS Watch, 1.2" AMOLED Touchscreen,19 Days of Daily use, Voice Features, Advanced Training Tools, Accurate GPS, Heart Rate Monitor, Run (Black Silicone) |
|---|---|
| Category | Electronics > GPS, Finders & Accessories > Sports & Handheld GPS > Running GPS Units |
| Brand | COROS |
| Manufacturer | COROS Wearables Inc. |
| Model Name | COROS PACE 4 Watch |
| Model Number | W335 |
| Color | Black Silicone |
| Item Weight | 0.17 Kilograms |
| Operating System | AsteroidOS |
| Additional Features | Bluetooth |
| GPS Geotagging Functionality | Built-in GPS |
| Band Material Type | Silicone |
| Case Material Type | Silicon |
| Water Resistance Level | Water Resistant |
| Human Interface Input | Dial, Microphone, Touchscreen |
| Supported Application | Voice Control, Voice Recording, COROS App, Fitness Tracking, GPS, Heart Rate Monitor |
| Water Resistance Depth | 5 Meters |
| Supported Satellite Navigation System | GPS |
| Metrics Measured | Heart Rate Monitor, Sleep Duration, Blood Oxygen Monitor |
| Closure Type | Buckle |
| Shape | Round |
| Style Name | Sport |
| Band Color | Black Silicone |
| Connectivity Technology | Bluetooth |
| Wireless Compability | 802.11a/b/g/n/ac, Bluetooth |
| Communication Feature | Bluetooth, GPS |
| Compatible Devices | Smartphone |
Available variants
Color
- White Nylon
- White Silicone
- Black Silicone
- Cloud White
- Black Crystal
- Black Nylon
- Jakob Ingebrigtsen
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