COROS PACE 4 Ultralight Sport GPS Watch (Black Silicone Band)

COROS PACE 4 Ultralight Sport GPS Watch (Black Silicone Band)

By COROS · Fitness Trackers · Phones & Computers

  • 1.2-inch AMOLED 1500 nits 390x390px touchscreen
  • 40g with silicone band (32g nylon), 11.8mm thin
  • Up to 41 GPS hours, 19 days daily use
  • Dual-frequency GPS, redesigned HR sensor
  • 5 ATM, 22mm band, 2 colors (black/white)

Lowest price seen
~$249.99 (approx.)
from $249.99 at Amazon

Prices are snapshots. Check the current price with the store.

Summary

The COROS PACE 4 is an ultralight AMOLED GPS running watch with dual-frequency GPS, a 41-hour GPS battery, voice notes and, since a September 2026 firmware update, offline maps. It leaves out streaming music, contactless payments and ANT+, so decide whether you need those before buying.

Strengths

  • Dual-frequency GPS tracks accurately, and Outdoor Gear Lab measured a 1.0 BPM median heart-rate difference against an armband.
  • The 41-hour GPS battery and 19-day daily battery beat similarly priced Garmin watches.
  • At 40 g with the silicone band, it is light enough for all-day wear.
  • The COROS app is regularly called more modern and easier to follow than Garmin Connect.
  • Voice pins and post-workout voice logs work well, with near-perfect transcriptions in testing.
  • Firmware updates keep adding features, including offline maps in September 2026.

Weaknesses

  • No streaming music, no NFC payments, no ANT+ and no third-party apps.
  • The digital dial is awkward to use with gloves and can change screens by accident.
  • Notification text is small enough that reviewers call it nearly useless.
  • The optical heart-rate sensor under-reads during cycling, high-intensity intervals and yoga.
  • The mineral glass lens scratches more easily than sapphire.
  • Some owners say it feels cheap, and a few report early hardware failures.

Verified specifications

ModelCOROS PACE 4, standard edition with a black silicone band.
Display1.2-inch AMOLED touchscreen, 390 × 390 pixels, 1500 nits, mineral glass.
Weight40 g with the silicone band; 32 g with the nylon band.
Case thickness11.8 mm.
Dimensions43.4 × 43.4 × 11.8 mm; the case height excludes the heart-rate sensor bump.
Battery41 h GPS in all-systems mode; 31 h GPS in dual-frequency mode; 19 days daily use; 6 days with the always-on display.
GPSdual-frequency L1+L5 with GPS, GLONASS, Galileo, Beidou and QZSS.
Heart rateredesigned optical sensor, with faster cold starts than the PACE 3.
Water resistance5 ATM (50 m).
Band22 mm quick-release; silicone or nylon.
Storage4 GB, shared between maps and music.
ChargingUSB-C adapter, incompatible with the PACE 3 charger.
ConnectivityBluetooth sensors only; no ANT+.
Musicoffline MP3 playback to Bluetooth headphones; no streaming.
Paymentsno NFC.
Voicebuilt-in microphone for voice pins and post-workout voice logs with transcription.
Mapsoffline maps with street and trail names added in a September 2026 firmware update.
Sport modes40+ modes including road, trail, track, cycling, swimming, strength and triathlon.
Training metricsEvoLab suite covering Training Load, Training Status, Recovery Timer, Running Fitness, Race Predictor and VO2Max.
ColorsBlack and White standard; Black Crystal aluminum and a Jakob Ingebrigtsen edition.
In the boxwatch, USB-C adapter, user manual.
Warranty2 years.
Full research notes and sources

Battery life and GPS accuracy

COROS rates the PACE 4 at 41 hours of GPS in all-systems mode and 31 hours in dual-frequency mode, with 19 days of daily use or 6 days with the always-on display left on. Outdoor Gear Lab measured 40 hours of GPS battery life, and the5krunner saw roughly 4% drain per hour in max GPS mode with the display always on. In the same testing, the watch tracked 2.02 miles on a 2-mile course, and reviewers describe the dual-frequency accuracy as close to faultless.

Heart-rate tracking

The redesigned optical sensor is good for steady running but slips at the edges. the5krunner logged 3.5% error over a 3-hour outdoor ride and saw under-reading on high-intensity hill reps and in yoga, while Outdoor Gear Lab measured a 1.0 BPM median difference against a Polar Verity Sense armband but noted a warm-up lag in the first 15 minutes. For intervals or cycling, a chest strap is still the safer choice.

Music, payments and sensors

There is no streaming music: the watch plays MP3 files from its 4 GB storage to Bluetooth headphones, and that 4 GB is shared with maps. There are no NFC payments and no ANT+, so older cycling sensors and gym equipment will not pair. The watch has a microphone but no speaker, and voice notes cannot be shared outside the COROS app.

Maps, storage and the app

Breadcrumb navigation shipped at launch; offline maps with street and trail names arrived in a September 2026 firmware update. The 4 GB storage holds a home region plus one travel destination. The COROS app is widely called more modern and logical than Garmin Connect, there is no subscription, and COROS keeps updating it.

Is it worth it?

At $249 (COROS.com, 2026) the PACE 4 matches the price of the Garmin Forerunner 70 and adds dual-band GPS, a 41-hour GPS battery, a microphone and triathlon mode. Buyers who need streaming music, payments or ANT+ should look elsewhere, and the 4 GB storage is tight for map-heavy users. If you want a larger screen, ECG and more storage, the PACE 4 Pro is the step up.

Which model this is

This page covers the standard-edition PACE 4 with a black silicone band, the ultralight AMOLED watch COROS launched on November 10, 2025. The Amazon listing for the black color is ASIN B0FYGTCX83.

Don’t confuse it with the PACE 4 Pro (titanium, sapphire, a 1.47-inch display, 60 h GPS), the PACE 3 (MIP display), the aluminum-bezel PACE 4 Black Crystal or the Jakob Ingebrigtsen edition. COROS.com lists the PACE 4 at $249, the PACE 3 at $199, the Black Crystal at $279 and the PACE 4 Pro at $449.

Sources

Manufacturer:

Independent reviews:

Owner reports:

Parts and stores:

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