The ultralight AMOLED GPS watch is designed to help you train smarter and run faster. Built-in mic to record training logs and notes, or to save quick notes mid-run. 32 grams of ultralight engineering with the nylon band for all-day comfort, and only 40 grams with the silicone band. A vivid 1.2-inch, tapered AMOLED touchscreen keeps every detail clear in any light. A low-profile, two-tone body (11.8mm thin) that stays secure and light while you run. Up to 41 hours of GPS and 19 days of daily use, so your training isn’t tied to a charger. Advanced tools like Running Fitness, Race Predictor, Virtual Pacer, and personalised marathon plans help you unlock your next PR. Track your steps, recovery, s leep, HRV, and menstrual cycles to understand how your body's responding to training. THE SPEED OF LIGHT Created for athletes looking for performance, speed, and simplicity, COROS PACE 4 combines ultralight engineering, long battery life, advanced training tools, and increased accuracy to help everyone from elite racers to first-timers discover their potential. ULTRALIGHT TECHNOLOGY At just 32 grams with the nylon band, PACE 4 is lighter than the gel tucked into your pocket. AMOLED AT ITS BEST The 1.2" color touchscreen AMOLED display features a tapered edge for crystal-clear definition, smooth swipes, and a seamless finish, now with 164% higher resolution for the sharpest display yet. TWO-TONE DESIGN A low-profile, two-tone body that stays secure on your wrist. Plus a flexible, easy-to-adjust silicone band.   BIG BATTERY LIFE With 41 GPS hours and 19 days of daily use, ensure your training isn’t tied to a charger. VOICE FEATURES: A NEW WAY TO TRAIN Using PACE 4's voice recording tool, capture training logs at the completion of your activity to remember all the details from your session. DROP A PIN Record Voice Pins about where you were, what you saw, and how you felt during your workouts. TRAIN SMARTER. RUN FASTER. Track running fitness, build workouts, and test your limits with tools that support your training.   FAST AND LIGHT At 11.8mm thin, it's the most comfortable AMOLED GPS watch that wears easily all-day and night. 32g with nylon band 40g with silicone band EFFORTLESS CONTROL Use the Action Button to switch from your main data screens to media controls*, breadcrumb navigation, or to record Voice Pins.