Ultralight beast packs serious tech punch with voice features, marathon-ready training tools, and battery life that actually lasts
If you've been waiting for a running watch that doesn't feel like you've strapped a small computer to your wrist, COROS just answered your prayers. The newly unveiled PACE 4 landed in Malaysia today, and at just 32 grams with the nylon band, it's making a compelling case for being the lightest serious training companion on the market.
But don't let that featherweight frame fool you—this thing's packed with features that'll make even the tech-obsessed runners do a double-take.
What's Actually New Here?
The headline grabber is obviously that ridiculously light chassis, but COROS didn't stop there. They've slapped on a 1.2-inch AMOLED touchscreen that's finally bright enough to read in brutal midday sun (we've all been there, squinting at our watches like confused owls). The display brings those vibrant colors and smooth swipes you'd expect from your smartphone, not your running watch.
Battery life? They're claiming up to 41 hours of GPS tracking and 19 days of regular use. That's 16 additional GPS hours compared to the already impressive PACE 3. Translation: you can actually train for that ultra without carrying a portable charger in your hydration vest.
Voice Features That Actually Make Sense
Here's where things get interesting. COROS built in a microphone so you can record training logs and drop "Voice Pins" on the fly. Think of it as leaving yourself audio breadcrumbs—perfect for noting how that nutrition strategy went down mid-marathon or capturing that random training insight when you're too sweaty to fumble with your phone.
The redesigned heart rate sensor is also getting some love, with improved accuracy that cuts down on those annoying spikes and drops that make you wonder if you're actually dying or if your watch is just having a moment. GPS lock-on is faster too, so you're not standing around at the start line waiting for satellites to find you.
Built for Runners Who Mean Business
COROS clearly knows their audience here. The PACE 4 comes loaded with running-specific tools that go beyond basic tracking. You're getting running fitness tests, Effort Pace metrics, and real-time alerts designed to keep you in the sweet spot between crushing it and crushing yourself.
Race day prep includes Virtual Pacer to help you nail that goal pace, race predictions that are actually useful, and personalized marathon training plans. Because showing up to race day wondering if you trained enough is not the vibe.
The health tracking suite covers HRV, sleep monitoring, recovery time calculations, and menstrual cycle tracking—basically everything you need to figure out if today's a PR day or a recovery run kind of day.
The Style Situation
At 11.8mm thin with a low-profile, two-tone body, the PACE 4 doesn't scream "I'M A SERIOUS ATHLETE" quite as loudly as some chunkier competitors. You get interchangeable silicone or nylon bands, so it can transition from track to coffee shop without looking out of place.
Plus, there's media control built in, so you can skip through your running playlist or podcast without breaking stride.
The Bottom Line
"PACE 4 is the result of innovation and a focus on performance that we have been working towards for years," says Lewis Wu, CEO and Co-Founder of COROS. "We built on what users already loved about PACE 3 and made it brighter, faster, and more capable, without losing the comfort and simplicity that define the PACE series."
Get Your Hands On One
The COROS PACE 4 launches on December 11, 2025 at 8pm, priced at RM1,099. You can snag one through the COROS official stores on Shopee, Lazada, and TikTok, or via the Pangu Running official website. It'll hit official COROS Malaysia retailers sometime after that.
At 32 grams with all these features packed in, COROS is making a pretty bold statement about what's possible when you strip away the unnecessary bulk. Whether you're chasing podiums or just trying to crack that sub-4 marathon, the PACE 4 looks like it's ready to tag along without weighing you down.
- PakChaq Riq
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