KEY FEATURES + BENEFITS Category: GPS running smartwatch Best Use: Run training, race prep (5K through marathon), cross-training, daily wear Display: 1.2-inch AMOLED touchscreen Battery Life: Up to 10 days in smartwatch mode; up to 20 hours in GPS mode GPS: Built-in Heart Rate: Wrist-based, with HRV status Activity Profiles: 80+ built-in activity profiles Contactless Payments: Garmin Pay Smart Notifications: Yes, when paired with iPhone or Android In the Box: Forerunner 170, charging cable, documentation Product Technology Training Readiness, Training Status & Acute Load: Three connected scores that tell you whether you're primed to run hard today, whether your recent training is actually moving you forward, and whether your current load is in a productive range or pushing too far. HRV Status: Tracks heart rate variability overnight to give you a longer-term read on recovery, stress, and how your body is adapting to training. One of the best signals for catching overtraining before it derails a race build. Garmin Coach™ Adaptive Training Plans: Free 5K, 10K, and half-marathon plans that adjust daily based on your performance and recovery, no spreadsheet required. Wrist-Based Running Dynamics & Running Power: Cadence, stride length, ground contact time, and running power straight from the wrist, useful for dialing in pacing and form without extra sensors. Garmin Pay™: Tap-to-pay from the wrist when you need water, fuel, or a ride home mid-run. 1.2-Inch AMOLED Touchscreen: Bright, full-color display that's easy to read in direct sun and intuitive to navigate, even mid-workout with sweaty fingers. Safety & Tracking: Incident detection and live tracking send your location to chosen contacts when paired with your phone.